1. Material: high-quality stainless steel; 2. The three floor worktops are equipped with stainless steel guardrails to prevent objects from sliding off the worktops; 3. The car body is mainly divided into three layers, which makes it easy to store things; 4. There are 4 high-performance casters under the car body, which are directly connected and durable; It can be pushed and turned freely on the flat ground, and 2 castors are equipped with brakes;