Warning Do Not Leave Unsupervised Needs Supervision Shirt

0 reviews

Size Guide

Size Chart

SIZE WIDTH LENGTH
S 18 in 28 in
M 20 in 29 in
L 22 in 30 in
XL 24 in 31 in
2XL 26 in 32 in
3XL 28 in 33 in
4XL 30 in 34 in
5XL 32 in 35 in
SC Unisex T Shirt
SC Unisex T Shirt
  • 5.3-ounce, 100% cotton (99/1 cotton/poly (Ash) & 90/10 cotton/poly (Sport Grey)
  • Heavyweight classic unisex tee
  • Taped neck and shoulders; Tearaway label
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
S 46 cm 71 cm
M 51 cm 74 cm
L 56 cm 76 cm
XL 61 cm 79 cm
2XL 66 cm 81 cm
3XL 71 cm 84 cm
4XL 76 cm 86 cm
5XL 81 cm 89 cm
SC Unisex T Shirt
  • 5.3-ounce, 100% cotton (99/1 cotton/poly (Ash) & 90/10 cotton/poly (Sport Grey)
  • Heavyweight classic unisex tee
  • Taped neck and shoulders; Tearaway label
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
S 17.25 in 25.5 in
M 19.25 in 26 in
L 21.25 in 27 in
XL 23.25 in 28 in
2XL 25.25 in 28.5 in
3XL 27.25 in 29 in
SC Ladies T Shirt
SC Ladies T Shirt
  • 100% preshrunk cotton; Ash Grey 99% cotton, 1% polyester
  • Feminine 1/2 inch rib mid scoop neck; sideseamed with slightly tapered Missy fit
  • Double-needle stitching throughout; seamless rib at neck
  • Decoration Type: Digital Print
SIZE WIDTH LENGTH
S 43.8 cm 64.8 cm
M 48.9 cm 66 cm
L 54 cm 68.6 cm
XL 59 cm 71 cm
2XL 64 cm 71.8 cm
3XL 69.2 cm 73.7 cm
SC Ladies T Shirt
  • 100% preshrunk cotton; Ash Grey 99% cotton, 1% polyester
  • Feminine 1/2 inch rib mid scoop neck; sideseamed with slightly tapered Missy fit
  • Double-needle stitching throughout; seamless rib at neck
  • Decoration Type: Digital Print
SIZE WIDTH LENGTH
S 20 in 26 in
M 22 in 27 in
L 24 in 28 in
XL 26 in 29 in
2XL 28 in 30 in
3XL 30 in 31 in
4XL 32 in 32 in
5XL 34 in 33 in
SC Sweatshirt
SC Sweatshirt
  • 8 oz; 55% cotton/45% polyester
  • Air jet yarn for a softer feel and no pilling
  • 1x1 athletic rib cuffs and waistband with spandex; Double-needle stitching
  • Care: Machine wash cold; Tumble dry low
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
S 50.8 cm 66 cm
M 55.9 cm 74 cm
L 68.6 cm 71 cm
XL 66 cm 73.7 cm
2XL 71 cm 76 cm
3XL 76.2 cm 78.7 cm
4XL 81.3 cm 81.3 cm
5XL 86.4 cm 83.8 cm
SC Sweatshirt
  • 8 oz; 55% cotton/45% polyester
  • Air jet yarn for a softer feel and no pilling
  • 1x1 athletic rib cuffs and waistband with spandex; Double-needle stitching
  • Care: Machine wash cold; Tumble dry low
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
S 20 in 26 in
M 22 in 27 in
L 24 in 28 in
XL 26 in 29 in
2XL 28 in 30 in
3XL 29 in 32 in
4XL 32 in 33 in
5XL 34 in 34 in
SC Hoodie
SC Hoodie
  • 5.3-ounce, 100% cotton (99/1 cotton/poly (Ash) & 90/10 cotton/poly (Sport Grey)
  • Heavyweight classic unisex tee
  • Taped neck and shoulders; Tearaway label
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
S 50.8 cm 66 cm
M 55.9 cm 74 cm
L 68.6 cm 71 cm
XL 66 cm 73.7 cm
2XL 71 cm 76 cm
3XL 73.7 cm 81.3 cm
4XL 81.3 cm 83.8 cm
5XL 86.4 cm 86.4 cm
SC Hoodie
  • 5.3-ounce, 100% cotton (99/1 cotton/poly (Ash) & 90/10 cotton/poly (Sport Grey)
  • Heavyweight classic unisex tee
  • Taped neck and shoulders; Tearaway label
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
S 18 in 28 in
M 20 in 29 in
L 22 in 30 in
XL 24 in 31 in
2XL 26 in 32 in
3XL 28 in 33 in
4XL 30 in 34 in
5XL 32 in 35 in
SC Long Sleeve T Shirt
SC Long Sleeve T Shirt
  • 5.3-ounce, 100% cotton (99/1 cotton/poly (Ash) & 90/10 cotton/poly (Sport Grey)
  • Heavyweight classic unisex tee
  • Taped neck and shoulders; Tearaway label
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
S 46 cm 71 cm
M 51 cm 74 cm
L 56 cm 76 cm
XL 61 cm 79 cm
2XL 66 cm 81 cm
3XL 71 cm 84 cm
4XL 76 cm 86 cm
5XL 81 cm 89 cm
SC Long Sleeve T Shirt
  • 5.3-ounce, 100% cotton (99/1 cotton/poly (Ash) & 90/10 cotton/poly (Sport Grey)
  • Heavyweight classic unisex tee
  • Taped neck and shoulders; Tearaway label
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
YXS 16 in 20.5 in
YS 17 in 22 in
YM 18 in 23.5 in
YL 19 in 25 in
YXL 20 in 26.5 in
SC Youth T Shirt
SC Youth T Shirt
  • 5.3-ounce, 100% cotton (99/1 cotton/poly (Ash) & 90/10 cotton/poly (Sport Grey)
  • Heavyweight classic unisex tee
  • Taped neck and shoulders; Tearaway label
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
YXS 40.6 cm 52 cm
YS 43.2 cm 55.9 cm
YM 45.7 cm 59.7 cm
YL 48.6 cm 63.5 cm
YXL 50.8 cm 67.3 cm
SC Youth T Shirt
  • 5.3-ounce, 100% cotton (99/1 cotton/poly (Ash) & 90/10 cotton/poly (Sport Grey)
  • Heavyweight classic unisex tee
  • Taped neck and shoulders; Tearaway label
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
XS 16 in 27 in
S 18 in 28 in
M 20 in 29 in
L 22 in 30 in
XL 24 in 31 in
2XL 26 in 32 in
3XL 28 in 33 in
SC Men Tank Top
SC Men Tank Top
  • 5.3-ounce, 100% cotton (99/1 cotton/poly (Ash) & 90/10 cotton/poly (Sport Grey)
  • Heavyweight classic unisex tee
  • Taped neck and shoulders; Tearaway label
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
XS 40.6 cm 68.6 cm
S 45.7 cm 71 cm
M 50.8 cm 73.6 cm
L 55.9 cm 76.2 cm
XL 61 cm 78.7 cm
2XL 71 cm 83.8 cm
3XL 81.3 cm 81.3 cm
SC Men Tank Top
  • 5.3-ounce, 100% cotton (99/1 cotton/poly (Ash) & 90/10 cotton/poly (Sport Grey)
  • Heavyweight classic unisex tee
  • Taped neck and shoulders; Tearaway label
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
XS 14 in 27 in
S 15 in 27.5 in
M 16 in 28 in
L 17 in 28.5 in
XL 18 in 29 in
2XL 19 in 29.5 in
SC Racerback Tank Top
SC Racerback Tank Top
  • 4 oz, 60% combed ring-spun cotton/40% polyester jersey
  • 30 singles
  • Fabric laundered for reduced shrinkage; Runs small, we suggest ordering up
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
XS 35.6 cm 68.6 cm
S 38 cm 69.8 cm
M 40.6 cm 71.1 cm
L 43.2 cm 72.4 cm
XL 45.7 cm 73.7 cm
2XL 48.3 cm 74.9 cm
SC Racerback Tank Top
  • 4 oz, 60% combed ring-spun cotton/40% polyester jersey
  • 30 singles
  • Fabric laundered for reduced shrinkage; Runs small, we suggest ordering up
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
YS 14 in 17 in
YM 16 in 19.5 in
YL 18.75 in 23 in
YXL 20.5 in 24.5 in
SC Youth Hoodie
SC Youth Hoodie
  • 7.75-ounce, 50% cotton, 50% polyester
  • No drawcord on kids' hoodies
  • We suggest ordering one or two sizes up for a fuller fit; Please refer to size chart for actual garment measurements
  • Decoration type: Digital Print
SIZE WIDTH LENGTH
YS 35.5 cm 43.2 cm
YM 40.6 cm 49.5 cm
YL 47.6 cm 58.4 cm
YXL 52.1 cm 62.2 cm
SC Youth Hoodie
  • 7.75-ounce, 50% cotton, 50% polyester
  • No drawcord on kids' hoodies
  • We suggest ordering one or two sizes up for a fuller fit; Please refer to size chart for actual garment measurements
  • Decoration type: Digital Print
  • $0.00
Quantity:

Estimated arrival: Place your order today (standard shipping method) to receive the product(s) within Apr 07 - Apr 10

Mar 28

Mar 31 - Apr 02

Apr 07 - Apr 10

SKU: UV0W3EST Categories: , ,

Know someone who just can’t be left alone with their favorite hobby, topic, or passion? This Warning Do Not Leave Unsupervised Needs Supervision Shirt is the perfect gift! It’s a playful nod to those wonderfully obsessive personalities who need a little “supervision” to prevent them from going on and on (and on!) about what they love.

Warning Do Not Leave Unsupervised Needs Supervision Shirt – for the Enthusiastic!

This Warning Do Not Leave Unsupervised Needs Supervision Shirt is more than just a funny saying – it’s a statement! The design features a bold, attention-grabbing “Warning:” label style, with the text “DO NOT LEAVE UNSUPERVISED” prominently displayed. This shirt is perfect for anyone who needs supervision. The classic, unisex fit makes it a comfortable choice for everyday wear, and the durable print ensures the message will last.

People with strong passions: This shirt is ideal for anyone who is deeply passionate about a particular hobby, subject, or interest. Think gamers, bookworms, sports fanatics, movie buffs, or anyone with a niche enthusiasm.
Gift-givers: It makes a unique and funny gift for friends, family, coworkers, or anyone who fits the “unsupervised” description.
Conversation starters: The shirt is designed to spark conversations and get people laughing.
Those with a sense of humor: It’s perfect for people who appreciate witty and self-deprecating humor.
Those who need supervisions

Warning Do Not Leave Unsupervised Needs Supervision Shirt 1 1
Warning Do Not Leave Unsupervised Needs Supervision Shirt 1 1

So, if you know someone (or are someone) who needs a little “supervision” to keep their enthusiasm in check, this Warning Do Not Leave Unsupervised Needs Supervision Shirt is the perfect way to embrace it. It’s a fun, comfortable, and conversation-starting piece that’s sure to be a hit! Get yours today and let the world know you’re proudly “unsupervised”!

Kindly review your personalized details attentively, as numerous orders have arrived incomplete. Note that we exclusively dispatch to valid street addresses.

Grishko collaborates with reputable shipping partners, including UPS, USPS, DHL, and Yun Express, Yanwen.

SHIPPING POLICY

WHAT ARE THE SHIPPING COSTS?

Within the U.S., shipping is priced at 5.99 USD.

International shipping rates start from 13 USD.

WHERE DO WE SHIP?

We offer global delivery services.

Shipping time

US Regions:

Item Handling time (Mon-Fri) Shipping time ( Mon-Fri )
Apparel 1-3 days 3 -7 days
Mug 2-3 days 3-7 days
Poster, Canvas 1-3 days 3 -7 days
Hats 2-3 days 6-8 days
Bedding 3-5 days 7-10 days
3D Clothing, Hawaiian shirt… 3-5 days 8-12 days

Other Countries:

Handling time (Mon-Fri): 3-5 days

Shipping time ( Mon-Fri ): 15-25 days.

Note: Please be advised that shipping times may be influenced by public holidays, destination countries, and courier services.

Delivered

Total delivery time= Handling time + Shipping time

Although we provide estimated shipping times, it’s prudent not to plan your delivery too close to your deadline as unforeseen delays, beyond our control, may occur. Please allow extra time to accommodate such circumstances. While we strive to ensure timely delivery, we cannot be held liable for delays caused by external factors like shipping carriers, weather, holidays, customs clearance, or inaccurate delivery information.

If you encounter any issues with your order or need to make adjustments, feel free to reach out to us at [email protected]. Our team is dedicated to assisting you and resolving any concerns you may have.

Regarding multiple shipping addresses, we regret to inform you that we do not currently support this feature. If you require items to be delivered to different addresses, we kindly ask you to place separate orders for each destination.

Shipping is available to P.O. Box addresses; however, we are currently unable to deliver to military APO/FPO locations.

Regarding VAT taxes, please note that international shipments from the US are sent DDU (Delivered Duty Unpaid), and we do not collect VAT at the time of purchase. The recipient is responsible for any applicable taxes, duties, or customs fees upon receiving the package. Local customs or VAT charges may apply, and we recommend contacting your customs office for further details on your country’s policies.

 

Quick FAQ

USA Shipping: Flat rate $5.99 for all orders.

International Shipping: Starting from $13.00 (calculated at checkout).

Yes. Grishko.com is an independent store with on-demand production. Simply select your style, add to cart, and checkout.

Check the Size Chart on the product page for exact measurements.

  • Units: Our charts provide measurements in both Inches and Centimeters (CM).
  • Pro Tip: Lay a shirt you already own flat, measure the width and length, then match it to our chart. This is the best way to ensure a perfect fit!
 

Yes, but you must act fast. We allow a 6-hour window after ordering for any changes or cancellations.

  • 30-Day Policy: Returns are accepted within 30 days of delivery if the item is damaged, the wrong size, or not as described.
  • Process: Email support with photos before returning and always keep your tracking number.
  • Apparel: Wash cold, avoid harsh bleach, dry gently or air dry.
  • Accessories: Wipe clean and keep dry.
  • Home Goods: Follow the printed label instructions.
 

Why Choose the Grishko Collection

Defining modern comfort and timeless style—crafted for every occasion, tailored for every body

Pro-Grade Sewing & DTG Printing

Premium fabrics: Polyester, Spandex, or Cotton (product-specific). Engineered with reinforced stitching and advanced DTG technology for a durable

Natural Fit for Every Body

Sizes for every body: From XS to 5XL, tailored for your perfect fit.

Care Made Easy

For a lifetime of wear: Machine wash cold. Tumble dry low

Engineered Endurance

Crafted for endurance: High-density fabrics designed to maintain shape and color vibrancy, ensuring a fresh look that stands the test of time.

 
Add a review
Warning Do Not Leave Unsupervised Needs Supervision Shirt Warning Do Not Leave Unsupervised Needs Supervision Shirt
Rating*
0/5
* Rating is required
Your review
* Review is required
Name
* Name is required
Add photos or video to your review
4.8
Based on 12 reviews
5 star
83
83%
4 star
17
17%
3 star
0%
2 star
0%
1 star
0%
1-5 of 12 reviews
  1. DG
    dawn g.
    Verified owner
    Grishko.comGrishko.com

    Got it Today!!!

  2. M
    MICHAEL
    Verified owner
    Grishko.comGrishko.com
  3. A
    Anonymous
    Verified owner
    Grishko.comGrishko.com
  4. EK
    Eileen K.
    Verified owner
    Grishko.comGrishko.com

    Very nice shirt..very quick shipping

  5. A
    Anonymous
    Verified owner
    Grishko.comGrishko.com