Fangrui Product Details [carbon Steel Material]: This Newly Designed Hat Rack Is Made Of Carbon Steel Material, Which Is Sturdy And Long-lasting. The Surface Of The Hat Rack Is Painted To Give You A Fashionable Modern Style While Also Preventing Rust, So The Raw Material Of The Hat Rack Cannot Be Seen. [three Installation Methods]: 1. Self-adhesive Installation, Suitable For Smooth Wall Surfaces Such As Marble Tiles And Glass. 2. Drilling Installation, Suitable For Rough And Uneven Surfaces Such As Painted Drywall And Wallpaper. 3. Install With Screws On The Wooden Board. [wide Application]: The Baseball Cap Holder Can Be Installed In Various Places. Such As Being Applied Behind A Door, Bedroom Walls And Closets. Our Hat Hooks For Wall Can Not Only Store Your Daily Baseball Cap, But Is Also Great For Hanging Your Keys, Handbags, Hairbands, Tissue And Small Items. [each Hat Rack Can Hold 20-25 Hats]: This Hat Organizer For Baseball Caps Can Be Installed Vertically Or Horizontally According To Your Needs. The Hat Holder Organizer