This green epoxy shelving is a zinc plated wire with coating. The unit is ideal for moist and humid environments that could otherwise lead to corrosion. This green epoxy shelving is suitable for use in all environments, including walk in coolers, dry and moist storage, and warewashing areas. This kit contains 4 posts, 4 shelves and 16 pair of split sleeves, 4 polyurethane swivel casters (2 with brake). This green epoxy shelving easily adjusts in 1" increments on the 1" diameter posts and has a total weight capacity of 1000 pounds (600 lbs per shelf).