The Les Enfants Muslin Blankets are made of 100% bamboo and provide a soft and smooth feeling against your baby's skin and they get softer with every wash. Muslin is a delicately woven, breathable fabric. The lightweight weave helps to keep your baby cool and comfortable on hot days and provides warmth and coziness when it gets chilly. Bamboo is proven to have antiseptic properties, it wicks away moisture better than most other materials and leaves your baby soft and dry.