SIZING Please measure your little one from head to toe and match the length of your baby with the corresponding size next to it on our sizing chart Please do NOT buy one size up The bag will not fit until your little one reaches the right age Small size bags will start to fit once your baby reaches about 3 months old It is generally recommended to swaddle your infant for the first 2 to 3 months or when they start to roll Choose a sleeping bag thats suitable for the season SAFE SLEEP Baby sleeping bags should be sleeveless to aid the heat loss and air circulation Babies sleeping under traditional blankets rarely sleep with their arms inside Sleeveless design reduces the risk of overheating Your baby is covered and warm all night No more kicked off covers means your baby sleeps more comfortably Adjustable armholes Available in three sizes 311 1024 and 243T months HIGH QUALITY This is a very warm 25 Tog winter model baby sleeping bag for room temperatures below 70 F 100 woven cotton outer shell and very soft 100 jersey cotton inner lining SPACIOUS AND PRACTICAL Generous bell shape sack design allows ample room for kicking but cannot be kicked off so baby stays warm all night If babies are comfortable they tend to sleep longer So enjoy that extra rest Side zipper with open and foldflat design for easy diaper changes Side zipper avoids that your baby is chewing on it Machine washable and can be tumble dried on low heat WINTER WEIGHT Soft polyester filling for more warmth The recommended nursery nursery temperatures should be between 58F to 69F A Baby Sleeping Bag surrounds the baby providing insulation from both below and above and also a warm pocket of air around the baby