Sleeping like a baby makes perfect sense. Since every baby is unique, there's no set age to stop swaddling. The decision to transition should be made based on your baby's specific needs. Instead of relying solely on age as a guide, it's important to consider your baby's sleep habits and behavior. Generally, babies are ready to move away from swaddling when they begin to show a desire for greater mobility while still needing a safe and cozy sleep space... And that's usually where the sleepsuit comes in! The sleepsuit is the perfect transition between swaddling and the Perlimpinpin sleep sack. Features: -2 TOG = Approximate room temperature: between 16°C and 20°C (61°F and 68°F) -Recommended for babies weighing 8-18 lb / 3.6-8 kg -Cozy and soothing -Promotes continuous sleep by reducing sudden movements -Two-way zipper for faster diaper changes -Secure, snap-free design -Keeps baby warm all night long Composition: 100% polyester Filling: 100% polyester Care instructions: Wash before use. Close zippers before washing. Wash inside out in cold water with like colors. Remove promptly. Do not bleach. Tumble dry low.