The Baby Copper Pearl 1.70 Sleep Bag is the perfect way to keep your baby comfortable and cozy while sleeping. From the lightweight, breathable fabric blend of polyester and rayon to the tag-free neck and sleeveless design, this sleep bag offers the perfect combination of comfort and convenience. The three layers of buttery soft fabric offer just the right amount of stretch, and the top-to-bottom zipper makes for easy off and on. With the Baby Copper Pearl 1.70 Sleep Bag, you can be sure your baby will be cozy and comfortable all night long.