Made of the softest premium bamboo. Durable and well designed your little ones. These cozy pajamas are perfect for both sleep and play. Sets feature snaps on the shirt and an elastic waist band on the pants. Sizes available : 2 Year - 9 Year | Size Chart Material : 95% bamboo viscose / 5% spandex A key benefit of bamboo clothing is that it is naturally hypo-allergenic, gentle on the skin, and highly breathable. It keeps skin cool in summer and warm in winter by wicking away any excess moisture. No need for both summer and a winter wardrobe – with bamboo clothing your babe will be comfortable year round. To ensure your new ff product lasts as long as possible, consider these care tips : Washing Machine Settings : Use a gentle cycle with cold water to minimize wear and tear.