Lightweight: 11.8 in x 7.1 in (30*18cm). It is 118g, suitable for 6-18 months baby use. Material: high-quality fabrics, soft touch, good air permeability so that the baby is comfortable to wear. It is filled with PP cotton with excellent elasticity, providing excellent protection when falling, and effectively mitigating the impact. Protection function: soft, comfortable, not hollow and the appearance design is full. Provide effective protection for children when they are learning to walk and crawl. Avoid and reduce injuries to the head and back. Adjustable Shoulder Strap: Adjustable + retractable shoulder straps, flexible, suitable for children of different sizes. Let the child use rest without restraint, free to walk, crawl. Great Gift for Baby: It is very useful for parents and baby. And new parents will really thank you for this exact ingredient.