BABY SLEEPS BETTER - BubblePanda baby sleep sack is made from luxurious rayon made from bamboo, known for its buttery softness. This hypoallergenic and breathable fabric helps regulate your baby's body temperature, wicking away sweat to create a soothing and comfortable atmosphere that encourages longer and more restful sleep. Your baby sleeps better, you do too! | SUPER SOFT FABRIC - We've carefully blended 97% bamboo rayon with 3% spandex to create an exceptionally soft and gentle fabric that caresses your baby's delicate skin. This fabric surpasses cotton and wool in softness, while also offering superior breathability and moisture absorption. | SAFE SLEEP FOR BABY - We prioritize your baby's safety.The sleep sack features a deeper and narrower neckline to any loose fabric that could pose a suffocation hazard.. A zipper protector shields your baby's face from scratching, ensuring a peaceful sleep throughout the seasons. Our breathable fabric reduces the risk of overheating, making it suitable for year-round use. | DESIGN WITH CARE - Our toddler sleeping sack are designed to provide optimal comfort for babies and convinience for parents. 2-way side zipper makes midnight diaper change easily. Stretchy roomy leg room allows your baby to sleep in the frog-legged position, move around freely, but cannot be kicked off, so baby stays warm all night and promoting healthy hip development. | MACHINE WASHABLE & GREAT DURABILITY - Our sleep sacks are designed to be machine washable, making cleaning a breeze. The high-quality fabric and reinforced stitching ensure durability, while the extra-long leg room allows for extended use as your baby grows.