1.Highquality material: The wheels are made of soft rubber and TPE material for robustness and durability. Thickened bracket made of chromeplated steel, high strength, rustproof, pressureresistant, fine and smooth surface, strong loadbearing capacity. Robust and stable structure for longer life. 2.Features: The wheels have builtin ball bearings made of carbon steel, a doublelayer steel shaft construction, flexible 360° steering, and easier rotation. The dustproof plastic cover design prevents dust ingress, prevents tangling, and extends the bearing's life. 3.Quiet design: The wheels made of soft PTE rubber material ensure robustness and durability. Suitable for all floor types. All wheels allow noiseless 360degree movement on hard, smooth surfaces. 4.Versatile: Perfect wheels for small appliances and small furniture, including display/exhibition equipment, trolleys, footrests, coffee tables, plant stands, serving carts, bookshelves, shoe boxes, toy boxes, carts, workbenches, underbed drawers, or flower pots.