97% Rayon made from bamboo, 3% Spandex Imported 【1.5x Breathable】Our sleep sacks are made of Rayon Made from Bamboo, which is breathable, in addition, the ribbed design makes it more breathable, for heat regulation and moisture wicking, helping to keep your baby comfortable and dry, making it easier for parents and babies alike. 【Supersoft Sleep Sack】We've carefully blended 97% rayon made from bamboo 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. 【Safety First】We prioritize your baby's safety. A zipper protector shields your baby's face from scratching. Arm and Neck Openings sized with latest research. The sleeveless and roomy design reduces the risk of overheating, provide a adequate safety for your little one. 【Simple to Use and 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. Our sleep sacks are designed to be machine washable and dried at low temperatures without distorting, making cleaning a breeze. 【Useful and Durable】Toddler Sleep Sack with Feet allows your baby move around freely, crawl, walk, but still keep warm, and promoting healthy hip development. The high-quality rayon made from bamboo fabric and reinforced stitching ensure durability, while the extra-long leg room allows for extended use as your baby grows.（Ensure the baby is intended to be dressed in inner clothing before being put into the sleeping bag.） BubblePanda's toddler sleep sack with feet is a game-changer for both babies and parents. Crafted with care, it's made from ultra-soft and hypoallergenic rayon made from bamboo fabric, ensuring a cozy and breathable environment that regulates body temperature and wicks away sweat. The super-soft rayon made from bamboo fabric is gentle on delicate skin, outperforming cotton and wool in softness, breathability, and moisture absorption. Safety is paramount, featuring a deep, narrow neckline and zipper protector, the breathable fabric also prevents overheating. Designed for convenience, the 2-way side zipper simplifies midnight diaper changes, and the roomy leg space promotes healthy hip development. Plus, it's machine washable and built to last. Size: sleep sack 3t-4t/sleep sack 2t-3t/sleep sack 1t-2t/sleep sack 6-12 months