【Multiple sizes for your choice】: YHK is equipped with four sizes of slide sheets, (23.6" x15.7") suitable for nurses to transfer patients to and from the car alone, (28.3" x 28.3") suitable for helping patients transfer to chair sofa As well as in the car seat, (47.2" x 28.3") is suitable for helping patients transfer from bed to another, and can easily turn the patient's body to help wipe the body and relax muscles, (78.7" x 39.4") is suitable for heavy The body moves up and down.