Universal height adjustment for use by a child, adult, and tall adult (individuals 4'6" to 6'6"). Crutches disassebles, fittling into a retail box 8" x 4.5" 21.5". Euro-style clips and push pin adjustment make it easy to adjust height of hand grip. Lighter than wood, the aluminum crutch provides stability and durability. Non-skid, jumbo size vinyl contoured tips provide exellent traction. Comfortable, durable underarm pad and hand grip. Limited lifetime warranty.