This design helps disperses baby's weight, plus, with the widened and thickened shoulder strap that can relieve mother's shoulder pressure, it makes mommy more comfortable and relaxed. Our Baby Carrier focuses on comfort and safety. It provides your baby a safe sitting posture and protects your baby's hip development and help to protect your baby's health. The widened shoulder strap and thickened waist strap can relieve pressure on the shoulders and waist, which makes mommy more comfortable and relaxed. Suitable for babies from 2 to 48 months old.