MaterialMade of very strong ABS plastic - can hold weights upto 5kg . SizeDimensions Projection from wall : 110mm ; Base diameter : 70mm. Powerful SuckerStrong suction cup with the maximum loading of 5kg to prevent slipping. Removable, reusable, practical, dampproof and waterproof. Place to anywhere and any position, convenient for kids anyone who can't reach the shower. Easy to fixtall carefully. Press suction cup firmly to the wall and twist the knob cap by hands to finish installation, pull the suction cup left and right for testing after installation,don't twist the shower head holder slot, otherwise the product will lost vacuum state and fall off. AplicationSuction works on surfaces that are flat, smooth and non-porous such as tile, glass, mirror, granite, laminate, steel and acrylic.