Perfect 21 Yrs Old Gift Idea for mathematics math lover men women Square Root Of 441 Years Old Shirt. Awesome gift for birthday boy, girl, children, schoolboy, friends made born in 1999 adult sons, daughters twenty first birthday 21st year anniversary!

Square Root Of 441 21St Birthday 21 Year Old Math Nerd T-Shirt is great for layering and makes unique gifts for family, friends, coworkers, or your team.

Features:

• 5.0- 5.3oz 100% combed ringspun cotton; fiber content varies for different colors.
• Heavyweight classic unisex tee
• Taped neck and shoulders; Tearaway label.
• Imported; processed and printed in the U.S.A.
• Regular fit. True to size.
• Wide range of sizes from S-5XL.

Care Instruction:

• Machine wash warm, inside out, with like colors.
• Only non-chlorine bleach.
• Tumble dry medium.
• Do not iron.
• Do not dry clean.

Note:
- There is a 1-inch difference due to manual measurement.
- The actual color and size of the item may also be slightly different from the visual image due to different monitor and light effects.