7th Birthday Shirt – Square Root Of 49 Math Funny Birthday Gift Tee

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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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 Mar 09 - Mar 16

Products are fulfilled and shipping from the

Mar 02

Mar 04 - Mar 06

Mar 09 - Mar 16

Categories: ,

Math meets humor in the 7th Birthday Shirt – Square Root Of 49 Math Funny Birthday Gift Tee. A clever design for math-loving kids or parents who enjoy smart humor, this shirt is both educational and fun. Crafted from soft, breathable fabric, it keeps your little one comfortable throughout the celebration. The bold “√49 = 7” print makes it a standout birthday outfit or photo prop. It’s also a thoughtful gift for students who love numbers and clever designs. Perfect for school, parties, or everyday play, this tee makes turning seven a moment of pride and fun learning.

UNISEX T-SHIRT Details:

Material 5.3 oz/yd², Dark Heather, Graphite Heather, Heather Navy, Heather Red, Tweed (50% cotton, 50% polyester); Sport Grey, Antique Irish Green, Antique Orange, Antique Sapphire (90% Cotton/10% polyester), Ash (99% Cotton/ 1% Polyester), All Others (100% cotton)
Size  S, M, L, XL, 2XL, 3XL, 4XL, 5XL

How long does it take for my order to arrive?

  • We need 3 - 5 business days to process your order and send it out (not including weekend and holidays)
  • Your order will arrive approximately 5-7 business days after it's shipped (except wooden products). We use different shipping partners, but the final delivery is usually via USPS.
  • For international orders please allow 2-4 weeks for delivery. The final delivery is usually via your local postal service.

Shipping time for 3D Printed Products:

  • United shipping time: 7-14 Business days
  • International Shipping time: 15-20 Business days

Shipping time for Canvas Wall Art:

Economy

  • $7.99 for order price under 50$
  • $9.99 for order price over 50$ and under 100$
  • $14.99 for order price over 10$ and under 200$
  • Free shipping for order price over 200$

Ground

  • $16.95 for order price under 49$
  • $21.95 for order price over 50$ and under 69$
  • $29.95 for order price over 70$ and under 139$
  • $49.95 for order price over 140$

2 Day

  • $24.95 for order price under 49$
  • $34.95 for order price over 50$ and under 69$
  • $49.95 for order price over 70$ and under 139$
  • $79.95 for order price over 140$

Overnight

  • $49.95 for order price under 49$
  • $59.95 for order price over 50$ and under 69$
  • $89.95 for order price over 70$ and under 139$
  • $139.95 for order price over 140$

Here’s how we break down our shipping prices:

  • $7.99 for order price under $49.99
  • $9.99 for orders from $50 to $99.99
  • $14.99  for orders from $100 to $199.99
  • Free Shipping for orders over $200
Shipping time for Items shipping internationally (UK, CA, AU):
  • $9.99 for an order price under $49.99
  • $14.99 for orders from $50 to $99.99
  • $16.99 for orders from $100 to $199.99
  • $18.99 for orders from $200 to $399.99
  • Free ship for orders over $400