Pick your number or initials on a brand new arm sleeve These arm sleeves come in 5 different sizes and will fit most kids and adults Check out our size chart for a perfect fit Each sleeve has a silicone liner on the bicep to keep it in place We offer White, Black, & Gray numbers or letters We can also do a mixture of numbers and letters. Just let us know! Pick your number or initials on a brand new arm sleeve. These arm sleeves come in 5 different sizes and will fit most kids and adults. Check out our size chart for a perfect fit. Each sleeve has a silicone liner on the bicep to keep it in place. We offer White, Black, & Gray numbers or letters. We can also do a mixture of numbers and letters. Just let us know!