[Specification] - Product Name: Wall Protector - Material: Silicone - Colour: Transparent - Shape: Rectangle - Size: 6.3cm x 1cm x 0.2cm [Character] - Transparent design. - Quality and durable material, Silicone. - With self-adhesive back and round ends to ensure best adhesion. - For indoor only. [Use Tips] 1.First, clean the surface with limestone cleaner (for old bathtubs), degreas it (for example, use alcohol cleaner), and then wipe dry 2.Second,peel the sticker off the carrier film (do not touch the adhesive surface) 3.Stick the sticker to the desired location and press it,make sure that no air bubbles form under the sticker 4.After about 12 hours, the glue has bonded perfectly to the surface.So can be used