[Double suction cups, good adsorption] No need to punch holes, easy to install, suitable for bathroom use. [All plastic material] Dirt resistant, not afraid of water, very suitable for bathroom use, no need to drill, easy to install, not afraid of water. Powerful suction cup designSuitable for any non-porous, flat surface, including smooth tiles, glass, porcelain or fiberglass. Please be careful not to stick to rough or uneven surfaces. [Safety grip handle] Useful handicap and mobility aids for bathtubs, showers and toilets, no tools or drilling required. When properly installed and used, the handrail will not damage the surface [Package includes] 2 pieces, size 29.3*9.5cm, very suitable for the injured, the elderly and young children.