All Season Plush Fabric Made from 100 microfleece fabric with a TOG rating of 10 Super soft lightweight and warm for spring autumn and winter The sleeveless plush sleep sack with no risks of overheating makes arms free and comfortable and provide a continuously warm environment for baby not only in cool airconditioned room in summer but also sleeping at chilly winter nights Safe 2Way Zipper System Unzips from the top easy to place baby in sleepsack and unzips from bottom up easy for changing diapers Zipper protector on the top and along the zipper teeth on the back protect your babys jaw and belly from being scratched by zipper head Our microfleece sleep sack has enough room for kicking but can not be kicked off protecting your baby from getting cold when sleeping or crawling around on the floor Roomy Baby Sleeping bag Our microfleece wearable blanket adopts loose fit design to ensure sufficient space for movement According to babys growth and development needs the leg area is designed spacious and suitable for the babys natural frog leg posture and free kicking which is conducive to the babys hip development Simple Practical Sleeping Sack Our baby toddler sleeping sack pays great attention to workmanship and details and every sleeping bag has a beautiful print on it to inspire your babys curiosity when wearing it Soft and skinfriendly fabric is perfect for the sensitive skin of babies Portable sleep sack for todder and infant is suitable for crib stroller travelling picnic and camping Advice Please refer to our size chart carefully before you order our sleep sacks Hand wash is recommended or low temperature machine wash You could contact us with any question you may have at any time We are willing to offer the most sincere help