New Jammies Boys' Baby Newborn Sleep Sack Navy Stripes 100% Cotton Imported Machine Wash 100 percent organic cotton Easy, diaper change zipper opens from bottom to top Safe: wide cut for plenty of hip and leg room. Keeps crib clutter free for the prevention of side. Breathable double layered cotton fabric keeps baby warm and cozy without overheating Tag less label for extra comfort. Water based, eco-friendly, polyvinyl chloride free, halo free and meets oeko-tex 100 class 1 - care for children's skin WRAP Certified- Worldwide Responsible Accredited Production