This is a pair of cooling arm sleeves, which are made of high-class materials, durable and can be used for a long time. Good air permeability, good quick drying, fresh air permeability, cool wearing. Skin-friendly fabric is easy to dry, high elasticity and gives you a good experience. Features - Material: Ice Silk - Size(S): About37.50X10.50X10.50cm/14.74X4.13X4.13inch; (Length): 37.50 cm/14.74 inch; (1/2 upper circumference): 10.50 cm/4.13 inch; (1/2 lower circumference): 6.50 cm/2.56 inch - Size( ): About 40.00X12.50X12.50cm/15.72X4.91X4.91inch; (Length): 40 cm/15.72 inch; (1/2 upper circumference): 12.50 cm/4.92 inch; (1/2 lower circumference): 7.50 cm/2.95 inch - Size(L): About 42.50X14.00X14.00cm/16.70X5.50X5.50inch; (Length): 42.50 cm/16.70 inch; (1/2 upper circumference): 14.00 cm/5.50 inch; (1/2 lower circumference): 8.50 cm/3.35 inch - The product can be given to your friends, family members, and others in some ways. - Ice silk sun protection arm cover is light and comfortable and breathable. - Ice silk is cool and comfortable, breathable and sunscreen elastic. - They are suitable for playing basketball, hiking, jogging, walking, cycling and so on. - The product is fit for men and women to use for a long time as a result of its friendly-skin material. Package list: 1 x Pair of arm sleeves