A bamboo/spandex blend makes these buttery soft pajamas an everyday staple. They feature the perfect amount of stretch and an in-house designed print. The 2-way zipper makes diaper changes a breeze, while fold over sleeves and footie grips up the functional factor. Fit: Snug for Sleep Fabric: 95% bamboo / 5% spandex Wash: Machine was cold, tumble dry low Imported About Bamboo: Bamboo Fabric is naturally moisture wicking, pulling moisture from the skin. Bamboo is powerfully insulating, keeping one cool in summer and warm in winter. Bamboo is hypo-allergenic and perfect for little one's delicate skin. It is also eco-friendly and sustainable. It has the perfect amount of softness and stretch to grow with baby.