Carbon,Metal | | Height Adjustable Expandable Design: The Microwave Rack Has 11 Adjustable Height Settings, Allowing For Easy Height Customization Without The Need For Screws. The Height Can Be Adjusted From 14.5-27.1 Inches (37-69 Cm), Width That Can Adjust Between 14.6-24.6 Inches (37.2-62.5Cm).It Is The Perfect Space-Saving Solution For Your Kitchen. | | Sturdy And Durable: With The Capacity To Support Up To 132 Lbs (60 Kg), ItS Suitable For A Variety Of Items And Includes 6 Removable Hooks For Additional Storage Options, Like Hanging Kitchen Utensils. | | High-Quality Material: Made From Durable Carbon Steel, It'S Designed To Be Long-Lasting, Dirt-Resistant, Wear-Resistant, And Rust-Resistant.Practical For Placing Any Item In Any Location. | | Multi-Functional: The Two-Layer Design Serves To Hold A Microwave Oven And Other Kitchen Appliances Like Toasters, Rice Cookers, And Coffee Makers, While Also Providing Space For Kitchen Items Such As Kettles And Condiments.