The first picture is a product picture, the other pictures are sample displays Material: pure cotton Applicable gender: neutral / both sexes Children\'s socks Technology: mesh Function: breathable, invisible, sweat absorbing Tube height: short tube Thickness: thickening Pattern: stripe, grid, solid color, cartoon, dot, two color, compound color Suitable season: spring and autumn, spring, autumn, winter Elements: stripe, bohemian, cartoon, letter, lovely, color matching, parent-child, princess, Chaofan Color: green, pink, gray, khaki, blue Size: M Suitable age: infants (1-3 years old, 80-100cm) Use of kneepad: 1. Protect young skin when crawling, and don\'t be afraid of catching cold when changing diapers. 2. When playing in the park, protect your little fat leg from abrasions. 3. Go to air-conditioned places: keep your legs warm when you go to supermarkets, department stores, restaurants, air-conditioned buses, subways and airplanes. 4. Protect baby\'s fleshy calf from UV damage. 5. I\'m not afraid that my baby will catch cold when I sleep. 6. It can be worn on legs and arms as well.