For babies 8-33 lbs., newborn to toddler. Soft, stretchy, and breathable 100% cotton fabric. Easy to slip on. 2 ways to wear baby: inward-facing or forward-facing (6 months +). Padded back support and sash guide for comfort and ease. Adjust and secure a custom-fit with sturdy side buckles. Hands-free convenience. Comfortable to wear for long periods of time. Encourages bonding with baby. Acknowledged by the International Hip Dysplasia Institute (IHDI) as a "hip-healthy" product for babies. 3 steps to wear: Slip on like a t-shirt, buckle and tighten, lift and tie sash. One-size fits most- friendly for plus-size and changing post-partum bodies! Machine-washable.