Ideal for use over regular sleepwear Comes with two safe sleep essentials Suitable for three to twelve-month babies Effortlessly transitions baby from the adjustable three-way swaddle (three to six months) to the wearable blanket (six to twelve months) Unzips from the bottom, enabling hassle-free diaper changes while keeping your baby snuggly swaddled Signature "Back is Best" embroidery serves as a gentle reminder to place your baby in the recommended sleep position, ensuring safety and peace of mind Spacious sack design, endorsed by the International Hip Dysplasia Institute, offers room for kicking and supports healthy hip development for your baby 100% organic cotton with no added chemicals guarantees a safe and comfortable experience for your baby Suitable gift for expecting parents Dimensions: Width: 21.9cm; height: 23.5cm; depth: 6.9cm