Expandable And Stackable Design. Stores up to 9 pairs of shoes, additional bottom storage for slippers. Sturdy Metal Construction with Elegant Silver Coating, each shelf holding up to 30 lbs. Easy Assembly Personalized Storage: Purchase more units to build your storage. Build and Organize with multiple 3-Tier Metal Panel Utility Shoe Racks Assembly Dimension: 26.5″ W x 10.6″ D x 19″ H ; USPTO Patent No: US9987876 Simple Houseware 3-Tier Stackable Shoes Rack Organizer Shelf, Silver