Not enough room to hold your footwear when coming inside? Double your space with the new two-tiered version of our standard boot tray! Each tray features raised ridges on the base to support the soles and allow air circulation to aid airing and drying. Great solution for protecting your floors after working outside hiking or sports. More than enough height clearance between tiers to accommodate boots on bottom shelf. Rust-proof aluminum support posts and trays are made of 100 recycleed plastic. Easy assembly hardware included.