1. This Baby Walking Assistant Belt is a great product to help the baby learn to stand up, keep balance, and walk steadily during the toddler period (8+ months). It also perfectly reduces back pain for parents while helping the baby learn to walk. 2. Material: Pearl cotton for handle and shoulder straps, thickened cotton pad for armpit and vest. Hexagon wavy outer mesh fabric, with soft & breathable lining, provides 360 circular ventilation to cool down your baby. All seasons available. Weighs only about 10oz, just like a cozy coat. 3. Fully Adjustable: The straps and safety buckles are adjustable, which can make your baby feel most comfortable with the correct adjustment. The crotch strap is also detachable, which can provide more protection and warmth to your baby, while without it can give more freedom to the baby's legs. 4. Multifunctional Design: The harness can be transformed into 4 types of usage styles depending on your baby's walking ability: Lift-with-crotch-strap for Start-to-learn, Lift-without-crotch-strap for Ready-to-stand, Pull-with-crotch-strap for Walk-with-stumble, Pull-without-crotch-strap for Self-Walk. 5. Note: Hand wash only, air dry. DO NOT dry clean or machine wash. Although the Baby Walking Harness is easy for the baby to wear, we specially prepare a colorful paper instruction for our customers, which will definitely help you and your baby work better with the Walking Learning Belt.