★EXCELLENT QUALITY FOR YOUR SWEETY: Baby sleeping bag are made of high end polyester material and filling with super soft cotton, breathable & comfortable, which is free from any harmful chemicals, No matter cold winter or hot summer, they will provide your little baby a safe and cosy sleep. | ★ENOUGH SPACE FOR MOVING FREELY: Available in three sizes: 1-3T for size S; 3-5T for size M; 5-6T for size L. the light weight and comfortable sleeping bag have much room to move around for your child, it fit your baby well with room to grow, foot openings for convenient movement when kids awake, makes your baby enjoy the funny, it's the most effortless way to help your little one sleep through the night. | ★SAFETY AND CONSIDERATE DESIGN: Sleeveless design allow heat to escape and prevent your child from overheat, keep them good sleep all night; Featuring durable zipper from bottom to top, which makes changing diaper easier; with zip cover at the top to protect little child’s chin; all details are specially designed for baby to give them a warm and cozy feeling. | ★ PERFECT TRANSITION FROM SWADDLE TO SLEEPING BAG：when your little baby grow up day by day, once your baby sleeps poorly with being swaddle, this baby sleeping bag would be a perfect replacement for weaning your baby off swaddling, it kept baby warm and comfortable and safe all night, there is no suffocation risk anymore with loose bedding. | ★GOOD SLEEP FOR BABY AND PARENTS: Crafted from top priority fabric, will gets softer with every washing, it's perfect for baby's sensitive skin, help your baby back to sleep. A quite night is very precious for each new parents, this baby sleeping bag will ensures you and your little baby have a good sleep and sweet dream.