Walking Wings® help baby learn to walk by balancing more naturally, hands-free, Without tugging or twisting on little arms, your baby builds confidence with fewer falls while parents have reduced back pain from not bending over. The soft and comfortable Walking Wings® are easy to use; simply fasten the safety buckle and tighten snuggly for proper support. 100% cotton. Machine wash. Vest fits chest circumferences from 19" to 26". Recommended for ages 6 months and up. SKU # 17271512