The Luxe Sleeping Bag is made with two layers of muslin that becomes softer with wash and wear. Practical design with front zipper for easy diaper changes and the sleeping bag helps baby have a restful night of sleep by eliminating loose blankets. 0-6 months. 100% cotton. 1.1 TOG ‰ÛÒ ideal for standard room temperatures year round. Breathable muslin helps regulate babys temperature.