No tool install; position suction cup grab bar on bathtub or shower wall; flip latches up; apply pressure to handle; press each latch down to lock suction grips in place; ability to easily relocate this portable handle is perfect for travel Sturdy secure suction cups work on non-porous flat surface including tile glass acrylic metal; grab bars provide stability when entering or exiting a bathtub or shower; can be used as a disability aid to prevent falls for elderly disabled or injured Tip; bar is to be used only to assist and help balance a person's body; not to hold full body weight; suction cup device must be applied to smooth flat non-porous surfaces; do not cover grout lines; will not work on drywall, fiberglass, or marble tile Non slip grip; textured contoured rubber grip provides safety & comfort; total length of bar is 11.56"; suction cups are 3.75" In diameter; measure tiles & distance between them prior to purchase as suction cups cannot overlap grout line Buy with confidence; our durable nontoxic material makes this a long lasting product to facilitate bathroom safety; perfect assist for shower or bath when traveling; strong suction design provides security needed without damage to applied surfaces, Weight: 0.61 pounds, Manufacturer: AmazonUs/MOMMB