Easy installation. If device is required to bear full body weight, or is used for leverage, it is recommended that a traditional permanently foot rest be installed. Position at any height for shaving in the shower. Can be easily moved or relocated Angled for better balance. is convenient to wash your feet when taking a bath. Must be applied to smooth, dry, non-porous surfaces, such as, glazed ceramic tiles, plastic or glass. Item does not suction to textured or bumpy surfaces; this surface MUST be smooth and flat. Do not place over grout lines as this allows air to move under the suction cup thereby releasing its hold. Must be applied to smooth, dry surfaces.For placement on tile, tile squares must be at least 5" x 5" in diameter. Angled for better balance .Mounts directly on shower wall. Specification: Material: plastic Color: white Size(approx): 10 cm