1:This high chair straps perfect for old wooden high chair,As long as you have the slots for the straps.Only suitable for baby high chair.
2:You CAN NOT use this High Chair Straps on the back of an adult bike,CAN NOT use it in seat .It's more designed for a high chair.
3:Question:How do you install this on a high chair? Answer: You pull the 2 side straps though the holes your lap straps come though, put the upper straps over back of chair to the front and over baby's shoulders then string lap straps though the shoulder straps and through crotch strap. Crotch strap helps keep them in.Just looped the harness around and back into the one buckle.
4: Length: adjustable. Size of shoulder belt: 21.65in L*0.98in W;waist belt: 23.62in L*0.98in W;hip belt: 21.65in L*1.49in W;last belt:26.77in .Material: Nylon.They are pretty long so they can be adjusted.
5:Our high chair belts are now upgraded with instructions, installation patterns and installation video guide links.