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. Our product is a sleep sack and should be used while wearing sleepwear inside. Duomiaomiao 0.5 TOG Toddler Sleep Bag 12-24 Months 100% Cotton Lightweight Baby Sleep Sack with Feet, Breathable Comfy Toddler Wearable Blanket