100% Cotton Size: 3T (2-3), 4T (3-4), 5 (5-6), 6 (6-7), 8 (7-8), 10 (9-10), 12 (10-12) Machine wash,girls underwear Cloth material is very soft and comfy,and breathable. extra strength and durability; Comfort covered fabric waistband. Smooth, covered leg bands mean no pinch elastic.The elastic leg openings make them easy to wear Breathable, thread does not stick, no smell,we offer this girls underwear made with super soft fabrics from brands. Package included: pack of 6 pieces of Kids series undies