100% Cotton Imported Safety-Certified & Active-Friendly Design - CPSC safety certified to replace loose blankets for a safer sleep. This footed sleeping sack with legs is specially designed for active early walkers and toddlers, providing ample freedom to move, kick, and explore safely during sleep and awake times. Certified 1.5 TOG All-Season Comfort - This cozy wearable blanket features a certified 1.5 TOG rating, perfect for cool rooms (61°F-72°F / 16°C-22°C). Filled with medium-thick polyester fiber and lined with 100% premium cotton, it provides balanced insulation and breathability for optimal warmth without overheating, ensuring a restful night's sleep year-round. Easy Diaper Changes & Secure Fit - Features two-way zipper and a full-opening row of crotch snaps for quick, hassle-free diaper changes without fully undressing the baby. The side-open zipper design distributes pressure evenly, while widened top protectors guard against scratching. Promotes Healthy Hip Development - Designed with a roomy fit in the leg area to allow natural movement and kicking, which is essential for healthy hip development. A snug neckline and armholes prevent slipping down, ensuring safety without restricting growth. Durable & Easy Care for Growing Kids - Available in four sizes (6-12M to 36-48M) to fit growing toddlers. Withstands multiple machine washes for easy care and long-lasting use, making it a practical choice for busy parents. Duomiaomiao 1.5 TOG Toddler Sleep Bag 6-12 Months 100% Cotton Four Season Side Open Zipper Baby Sleep Sack with Feet, Breathable Toddler Wearable Blanket