Wiout drillis is self-priming installation, when installing, press e center of e suction cup firmly to release e air and lock e button clockwise watch. Extra strong suction cupOur suction cup shower head holder supports a weight of 5 kg. e suction cup has superior flexibility and good airtightness. Wide range of applicationse shower holder can adhere to many smoo surfaces, such as marble, glass, metal, ceramics. e standard connection can accommodate almost all hand showers and shower hoses. 360 RotationOur shower head holder can be rotated 360 to meet your needs at any angle and can be rotated up and down. High Quality MaterialABS plastic bracket and PVC suction cup, durable moisture-proof and waterproof Specification: Material: ABS environmentally friendly resin Color: silver Size: suction cup: 7 cm in diameter, total height: 10 cm Quantity shipped: 1 piece