Material: cotton Color: A variety of colors Size: S size, M size, L size Age range: 0-6 months, 6-12 months, 1-3 years Package contents: 6 pairs 1. Sole length: S size: 8-10cm, M size: 10-12cm, L size: 12-14cm. Please choose the size according to your baby's actual foot length 2. Carded cotton fabric, high density, anti-pilling, soft and breathable. Unique extended cuffs, elastic, easy to wear and take off, comfortable and not tight. 3. Contrasting color designs, lively and cute, breathable organic cotton and medium thickness make these baby socks suitable for boys and girls in any season. 4. Comfortable heel socks: soft and skin-friendly, comfortable fit, not tight. 5. Hand or machine wash: Wash in cold or warm water, please do not bleach and dry clean.