Choose your Number or Initials - Moisture Wicking polyester/nylon mixture 20 Combinations Available & 3 Different Number/Initial Fonts Perfect for any sport - KIDS & ADULTS Check out the size chart for a perfect fit Baseball, Football, Baskeball, Soccer, Golf, Cycling, Softball PIck Your Number or Initials! NEW! 2 Tone Moisture Wicking Compression Arm Sleeve. Available in several colors. Blue, Black, Yellow, Gold, Green, Neon Lime, Purple, Orange, Red, White, Light Blue, Navy Blue, Maroon, and Royal. Made of polyester and nylon, each sleeve has a silicone lining on the inside to keep in place. Several sizes available. Manufactured by Sports Farm. Size Information Laying flat: Youth Medium 14" long - 4" top - 3" bottom Youth Large 14.5" long - 4" top - 3" bottom Small 16" long - 4.5" top - 3" bottom Medium 17" long - 5" top - 3" bottom Large 18" long - 5" top - 3.5" bottom