Nozzle holder measures: The suction of the nozzle holder has an adjustable groove for fixing the existing nozzle. Fits shower hose bottom diameter between 0.7~0.9 inches (18~23mm). Not suitable for shower hose bottom diameter >=0.9 inches (>=23mm). It is recommended to measure the size before purchasing. Usage Guide: This shower head holder wall mount is designed for non-porous, smooth surfaces such as glass, mirrors, ceramic tiles, polished metal, plastic panels, etc. The suction cups are not suitable for uneven surfaces. Easy to install: Install the adjustable shower head holder in seconds. No drilling or screws required. The handheld shower head holder is stable, waterproof, and rust-proof, and will not damage the wall or leave marks after removal. Waterproof material: The suction cup shower head holder is made of engineering grade ABS plastic. Waterproof and resistant to rust and corrosion. Durable enough for long-term use in humid bathrooms. Adjustable design: The rotating design allows you to adjust the shower head angle up to 70 degrees. Suction cups are removable and replaceable. Place the handheld shower head or bidet sprayer as needed. Suitable for high or low positions, inside or outside the bathtub. Ideal for family members who may have difficulty reaching the shower head. Specification: Material: ABS Weight: 150 g Dimensions: 11.4*7*6.4 cm / 4.48*2.75*2.52 inches (length*width*height) Notice: 1. Please allow 1-2cm differences due to manual measurement. 2. Due to differences between monitors, the picture may not reflect the actual color of the item. Packing list: 1 shower holder