100% Cotton Imported Machine Wash Material:100% cotton,Machine wash,easy to wash,boys briefs Cloth material is very soft and comfy. Available in the following kids size: 2-3T (2-3), 4T (3-4), 5 (5-6), 6 (6-7), 8 (7-8), 10(9-10), 12(10-12). Breathable, thread does not stick, no smell,we offer this boys underwear made with super soft fabrics from brands. Elastic waistband is very flexible.Reinforcement design at the edge to Prevent deformation. We provide After-sales Service,If have any quality or size issue,pls contact us Soon,we will arrange replacement or refund to you.