DMI 5-Foot Adjustable Telescoping Wheelchair Ramps feature U-shaped, rust-resistant aluminum tracks with non-skid treads. The convenient 3-section wheelchair accessory features a design that contracts for storage in a nylon carrying bag, which hangs over wheelchair handles. The wheelchair ramps easily extend for universal use with steps, curbs or vehicles. These 5-foot telescoping wheelchair ramps are completely adjustable and have a push-button locking mechanism. They also have a generous 660 lb. weight capacity (330 lbs. per ramp) and are latex free. 1 pair of DMI 5-Foot Adjustable Telescoping Wheelchair Ramps is included in this package.