Mobile Storage Solution(for medium,two-layer option): This 2-tier utility cart (31.5 x 16.1 x 37.2 inches) holds 150 lbs on the top and 200 lbs on the bottom. Raised edges keep items in place, and the 25.2-inch spacing fits larger items. It's easy to move with 360° swivel casters, ideal for organizing at home or in the office. Mobile Storage Solution(for large,three-layer option): This 3-tier utility cart (41.73 x 19.3 x 38.5 inches) holds 100 lbs on the top, 250 lbs in the middle, and 300 lbs on the bottom. The 13.8-inch height provides space for taller items, and raised edges avoid items falling. Smooth casters make it ideal for heavy-duty storage. Mobile Storage Solution(for medium,three-layer option): This 3-tier utility cart (34.65 x 16.14 x 39 inches) supports up to 100 lbs on the top shelf and 150 lbs on the middle and bottom shelves. Raised edges keep items secure, and the 14.6-inch height between shelves allows for taller items. Smooth mobility makes it great for home or garage organization. Smooth Mobility: Effortlessly glide this utility plastic cart with 4 360° swivel casters and ergonomic handles. The 4-inch PP wheels absorb shocks and reduce noise, while 2 lockable wheels keep it stationary when needed. Stable and Durable: Made from industrial-grade PP and an aluminum alloy frame, this utility service cart is waterproof, rust-resistant, and sturdy, handling heavy loads for both indoor and outdoor use. Ergonomic & Easy to Use: Lightweight at 14.7 lbs(for medium,two-layer option)/26.7 lbs(for large,three-layer option)/18.9 lbs(for medium,three-layer option), this service cart is easy to maneuver with comfortable ergonomic handles. Rounded corners secure walls and furniture from damage. Quick Assembly: With clear instructions, assembling this rolling utility cart is quick and easy, making it great for use in the garage, office, or home to organize and transport items. Package Content 1 x Utility Cart 1 x Instruction Manual 1 x Protective Pad 8 x Aluminum Tubes (280 x Ø49 x 77 x 1.0mm thickness)（for large,three-layer option) 8 x Aluminum Tubes (280 x Ø40 x 77 x 0.8mm thickness)(for medium,three-layer option)