Durable and well designed your little ones can sleep and play in these cozy pajamas. Our smallest sizes have rollover cuffs on the hands and all of the one piece sizes have cuffs on the feet giving you the option to go footless or footed without changing outfits. 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 you will be comfortable year round. Washing Machine Settings: Use a gentle cycle with cold water to minimize wear and tear.