Description If your child likes to ride a bike or do sports in the summer, then these products are not to be missed. Our arm covers can effectively block ultraviolet rays and are suitable for various occasions. Keep your child cool in hot weather. Features -Color:As Shown. -Material:Nylon, Spandex. -Size: About28.00X8.50X0.30cm/11.00X3.34X0.12in. -They are preferably made of nylon and spandex material, which are not easy to damage. - The sleeves are small and light, easy to carry. - Soft, skin-friendly, comfortable, not tight. - Strong elasticity, good stretchability, suitable for general wear. - They are not stuffy or hot, they are more breathable, and they are more refreshing in summer. Package list: 4 x Pairs Sleeves