Material??100% Natural Premium Cotton??High-quality long-staple cotton?? – Ultra Soft and Cozy Hand-feel. Breathable and skin-friendly, providing the baby with the most comfortable feeling. Perfect for Warmer Seasosons Or Climates, Lightweight portable baby sleeping bag. Environmental protection printing, passed fluorescent agent test, health and safety. Design??We designed our comfortable and lightweight, sleeveless sleeping bag sack to keep your baby warm and cozy while also reducing the risk of baby overheating. wearable blankets as a safe and cozy bedtime alternative to prevent dis potential safety hazard in baby??s sleep space.Two-way zipper, easy to open, with anti-catch fabric, protect baby, prevent baby from chewing zipper. Spacious and practical: Widen the hem, enough space for the baby to move freely. Baby will stay warm and safe all night long. Size : The baby sleeping bag have one size, 0-12 month,The best choice for newborns, take care of your baby every day. Risk free guaranteed : You’re purchase is fully protected when you order today. If you are not satisfied wif our product, contact us any time, we will reply you back wifin 24 hours try our best to make things right.