Premium Materials:The sling is made of high density nylon fiber, which is durable. Can withstand 550 pounds of weight, protect your furniture and electrical appliances from damage, greatly improving the safety performance. Reduce weight and pain:X-shaped cross, the strap helps to save 65% of the object's weight. With sponge shoulder pads on the lifting straps and two auxiliary shoulder straps, to reduce back and shoulder pain from heavy and repetitive lifting. Two ways to use Adjustable Shoulder Strap:Movable straps have two ways to use (arm-mounted and shoulder-mounted). The adjustable straps will not only allow the movers an unlimited range of motion, but will also make it possible to move and lift almost any object possible. Wide Range of Uses: Appliance lift straps can be applied to transport bulky objects such as a mattress, a bookcase, a sofa, a television, a refrigerator, a washing machine. It also does not damage the door, floors, walls and the item itself, when you enter and exit.