Kaloo Naturel Blue Sleeping Bag Description Keep your baby warm and safe all night long in this unique baby sleep sack from Kaloo's Naturel Organic collection. Your little one will love the comfort of this super-soft velour wearable blanket. It unzips on 3 sides to make diaper changing extra easy. Size: 0-6 months. Naturel, new organic collection from Kaloo. All products from this eco-friendly line are made from 100% organic cotton fibers. No pesticides, harmful chemicals nor GMO are present in the cotton fibers. Each item is presented in a beautiful round box made with 100% recycled paper. Machine wash and tumble dry.