Ideal for keeping your child close and safe at all times, in a crowd or a gentle stroll to the park or shops. You can remove the tether to turn the Reins into a backpack. Swivel strap to prevent tangeling. Patented design, The backpack/reins is fully supported by your child's torso, not the sensitive lower stomach area. The backpack has a back pocket with zip, and removeable tether strap. Machine washable. Adjustable to fit chest size 14" to 25.5". Strap length:42".