Solid material: Made of strong and environmentally friendly ABS materials and small stainless steel ball, rounded edges, no burrs, sturdy and durable, wear-resistant and smooth. Quiet Design: The caster allows smooth and easy movement, sliding without noise. Size: 4.5cm x 2.8cm (1.77' x 1.1'), height: 1.4cm (0.55'). The maximum load capacity is 8 kg. Easy to move: The ball can be flexibly rotated 360 degrees without restriction. The rotating design is more convenient to move than the one-way directional type. Easy to use: Paste type universal wheel, just tear off the protective layer to stick, stick to the bottom of any box you want move. Reserved screw hole, nice for screws requires. Widely used: It is a perfect DIY accessory, suitable for all kinds of storage boxes, and can also be used in storage boxes. shoes, trash cans, small containers, crafts, small projects, etc. Product Features: 1. Adhesive Design - Easy to install, no drills or tools required. Reserved convenient for your expert screw needs. 2. Maximum load - 8 kg, suitable for most DIY demands, trash can, various storage cartons, boxes, bucket, rice pot, potting, small furniture, etc. 3. Casters slide silently - make your items much easier to access, without screeching noise. Specification: Material: ABS + stainless steel Size: 1.77'x1.1' / 4.5 cm x 2.8 cm Height: 0.55 "/ 1.4 cm Color: beige + ribbon. Package contents: 12 x Self-adhesive casters Attention and tips: 1: Children under 6 years old should not are not allowed, except under the care of adults. 2: Swivel casters (360). 3: Dual use for some heavy stuff.