This arm sleeve is stretchy enough for elbow joint and forearm. Adopted of ergonomic design with high flexibility fabric, it helps protect your arm from bumps, bruises and friction burns. Meanwhile, it will not restrict your elbow’s movement and your overall mobility. It is is perfect for outdoor, sports, etc. Features -Color: Navy blue. -Material: Polyester. -Size 38CM(Length); 23-27CM(Upper Cuff Circumference ); 13-15CM(Lower Cuff Circumference); -Size L 39CM(Length) ;25-29CM((Upper Cuff Circumference); 15-18CM(Lower Cuff Circumference); -Size XL 40CM(Length) ;27-32CM(Upper Cuff Circumference); 18-20CM(Lower Cuff Circumference). - Elbow joint and forearm protection sleeve with ergonomic design. - With sun protection sleeve, you won’t get sunburn or bites. - Adopted of high flexibility material, it helps protect your arm from bumps, bruises and friction burns. Meanwhile, it will not restrict your elbow’s movement and your overall mobility. - Relieve pains. The arm compression sleeve will maintain the arm warmer, increase circulation throughout arms, hands and shoulders, which help your sore muscles recover faster from training, workout or pain relief from over-use. - for sports. The compression sleeve is perfect for basketball shooter, football, volleyball, baseball, handball, golf, , etc. Package list: 2 x arm sleeve