Feature - Color: Grey. - Material: Spandex and sponge - Size: S: 20cm-25cm.(Elbow joint circumference) M: 25cm-30cm.(Elbow joint circumference) L: 30cm- 35cm.(Elbow joint circumference) XL: 35cm- 40cm.(Elbow joint circumference) - Elbow joint protection. elbow sleeve is constructed with knitted thick sponge with high flexibility. - Considerate protection. Helps protect your elbows from bumps, bruises and friction burns. - Relieve pains. The elbow sponge sleeve pad will maintain your elbow warmer, increase blood circulation throughout arms, help your sore muscles recover faster from training, workout or pain relief from over-use. - Physical therapy. Great for rehabilitation of joint inflammation, arthritis, general elbow pain, tennis elbow, golfer's elbow, computer or mouse elbow, rower's elbow, fishing elbow, pool or billiard elbow.