2. Functional features: (1) Product features: PET+stainless steel, suitable for multiple scenarios, large open capacity, multi-layer storage, stable and strong load-bearing, mobile universal wheels; (2) 360 ยฐ silent universal wheel push, smooth and silent, convenient for cleaning at any time; (3) Made of thicker and thicker materials, it is not easy to deform, firm, and stable under heavy pressure, and is not easy to shake; (4) Increase the spacing for easy access to items, meeting the needs of bottles of different heights; (5) The bottom drainage hole design prevents bacterial growth;