Its simple telescoping, spring, twist and lock action installs neatly into the corner of your shower (floor to ceiling) or tub (rim to ceiling) in seconds Pole is made of metal and shelves are made of durable plastic Comes with four very roomy 32cm (12in) plastic shelves Easy to install White rust-proof material Durable, long-lasting material won't rust or tarnish No tools required Rod extends to fit ceilings from 6 to 9 feet Dimensions