SMILE MART 5 Tiers Metal Boltless Storage Shelf for Hmoe Warehouse, Silver: Color: Silver Material: Iron frame with powder coated & MDF Boards Overall Dimensions: 27.4″ L × 11.6″ W × 60″ H Each Tier: 27.2″ L × 11.5″ W Max. Load Capacity Per Shelf: 330 lb Gross Weight: 29.8 lb Net Weight: 28 lb Note: 1. Please allow ±1cm/ 1/2″ error due to manual measurement. 2. A rubber mallet is recommended for assembly. The rubber mallet is not included.