Features: Baby-friendly skin-friendly fabric:95% Cotton, 5% Spandex. Natural dye printing, No formaldehyde. Soft, Breathable, Warm and Sweat-wicking. Great for all surfaces: Indoors, Outdoors, Wood Floors, Playground, Day Care and Play Areas. These organic toddler socks are absorb sweat, keep skin cool, dry and light, comfortable for both indoor and outdoor activities. Scientific design & safer: Feature environmental silicone anti-slip grip soles, adjustable rubber band design on the ankle, grip on the ankle keep balance, protect your little ones from slipping on smooth surfaces. With extra stretchy elastic cuffs, these socks are designed to keep infants comfortable – and they’re machine washable too! Use cold water and hang dry. Specification: Color: White, pink, purple,Brown, blue, orange. Material: 95%Combed Cotton, 5% Spandex. Suitable age: 0-3 Months(baby socks 0-3 months),3-12 Months(baby socks 3-6 months,baby girl socks 6-12 months),1-3T(baby girl socks 12-24 months,toddler girl socks 2t-3t). Package includes: 3 * Pairs Infant Newborn Knee High Socks. *Notice: Please check the size before buying, there is a slight error in manual measurement.