From the seller

Most comfortable for your baby: This baby sleeping bag ensures a hug of comfort to your baby so that the baby is reassured & keeps them in tight fit and thus they can be tucked into the bed or in your car seat easily Portable & multi functional baby sleeping bed: Its light-weight and compact design makes it very easy to convert this into a travel companion Made of hypoallergenic cotton fibre this bed is perfect for the baby skin & turns to be the preferred lounger for the baby Grows with your baby with the help of the zipper. In winter and AC environment the zipper can be closed and the bedding acts as a hooded quilt, whereas in case of warm weather it can be used as a mattress This baby bedding set lets you co-sleep with your baby, it creates a barrier between baby and parents giving the baby their own cozy space