Modern design is comfortable in any environment. Antimicrobial black polypropylene seat is reinforced with steel for added stability and durability. Sturdy steel frame has dual wheel hooded casters for easy mobility, even when stacked. Silver powder coated frame. Stackable up to 8 high to reduce required storage space. Easily supports up to 250 lbs. Global Product Type: Chairs/Stools-Stools with Casters; Features & Functions: N/A; Seat Type: N/A; Seat Width: N/A.