High Chair Harness, 5-Point Harness, High Chair Safety Belt, High Chair Strap, Universal Retainer for Wooden High Chairs This high chair harness works great on old wooden high chairs, as long as you have a slot for the strap. Only for infant high chairs. You cannot use this high chair harness on the back of an adult bicycle or on a chair. It is more suitable for high chairs. Question: How do I install it on the high chair? Answer: You place two side straps through the hole where your shoulder straps go, place the top straps in front of the chair back and over the child's shoulders, then thread the straps through the shoulder straps and crotch straps. The wedge-shaped strap holds them in place. Simply wrap the seat belt around a button. Length: Adjustable. Shoulder strap 70-75CM, belt 60-65, shoulder strap 50-55 Material: durable nylon. They are long so they can be adjusted. Our high chair harnesses have now been upgraded, including instructions, installation instructions and links to installation video guides. Package list: 2 seat belts We only sell, not other items in the picture. Due to the difference between different monitors, the pictures may not reflect the actual color of the product. Due to manual measurement, please allow minor dimensional errors.