Metro's BC1627-34G 3 shelf with swivel/resilent tread casters is designed for a wide variety of applications. They have smooth surfaces to resist staining. Slate blue comes standard with Microban® product protection to inhibit the growth of bacteria. Shelves are corrosion-proof with a 1/2" raised ship's edge design. Aesthetically these shelves are quite attractive which allow for use in a variety of applications. BC Series carts are easy to adjust with no tool assembly. Each shelf can hold up to 150 pounds with a max of 400 pounds per unit.