KES Glass Shelf with Towel Bar Bathroom 20-Inch SUS 304 Stainless Steel and Extra Thick Tempered Glass Shower Shelving Contemporary Style Wall Mount Polished Finish, A2621 HEAVY DUTY: Stainless steel posts, ensuring quality and longevity. RUST PROOF: Construted of Type 304 premium grade stainless steel, with added 18/10 Chromium/Nickel content to protect against corrosion & rust. POLISHED FINISH: Hand polished stainless steel finish, build to resist daily scratches, corrosions and tarnishing. TEMPERED GLASS: Extra 7 MM-Thick tempered glass, safe for users even broken. EASY INSTALLATION: Harware pack included.