Change the sheets without help for once. , Great tool for work on heavy mattresses especially with a king sized spring box bed. , Ergonomic design that effortlessly lifts a mattress as the device is inserted between mattress and box spring. , Slides effortlessly between mattress and box spring, lifting mattress. Eliminates the need to lift a mattress to make a bed. , Great for applying and tucking linens, maneuvering around nightstands and putting on bed skirts.