Rustproof, Waterproof,non Slip& No Drilling. 【LARGE LAYER SPACING】:Basket spacing per tier is 12.8in. 【DESIGN UPGRADED】:The perfect combination of high quality metal rod and plastic shelf. 【OPEN GRID DESIGN】:Drainage holes prevent water from pooling on the shelves. 【EASY TO ASSEMBLE】:Requires self-assembly, all required tools are included in the package. 【PACKAGE CONTAINS】:4 Tiers shelves, 2 reinforced transparent adhesive with screw and 4 stainless steel hooks.