[Two Installation Methods] The corner shower caddy comes with both screws and glue, you can choose drilling or adhesive mounting. Note: The adhesive installation is suitable smooth hard surfaces such as ceramic tiles, smooth marbles, glass, metal, and solid woods. [Durable & Sturdy] This bathroom caddy is all Space Aluminum design, resists daily scratches, corrosion and tarnishing. Hollow and ventilated design to make water drain fast, keep your bath products on the bathroom shelf dry and clean. [Strong & Large Capacity] Powerful adhesive sealant ensures strong bearing and adhesion for the kitchen shelf. It is more durable and sturdier than the suction cup. [Rust and Scratch Proof] These space aluminum design shower shelves are resist rust and corrosion. Hollow and ventilated design for fast water drainage, keep your bath stuffs on the shower rack dry and clean [Suitable for a Variety of Surfaces] The shower racks for inside shower can be stick on various smooth and clean walls, such as smooth ceramic tiles, tempered glass, marble, metal surfaces, etc.