Kakoka Self Adhesive Mini Caster Wheels Made of ABS and stainless steel material, the self-adhesive mini caster wheels are sturdy and durable, allowing you to move heavy objects easily without stress. These adhesive swivel casters offer 360-degree freedom of rotation, allowing flexible movement to any angle without limitations. They provide smooth, noise-free mobility. These mini casters are suitable for trash bins, storage boxes, small furniture, small appliances, and more, making them ideal for use on desks, in the kitchen, bedroom, living room, and other places, adding convenience to your daily life. Instructions: 1. Peel off one side of the protective film from the included self-adhesive tape and stick it onto the caster. 2. Remove the other side of the self-adhesive tape's protective film and firmly attach the caster to the bottom of the item. 3. Allow it to sit undisturbed for 24 hours before use to ensure a stronger bond. 4. Apply to a smooth surface, and it is recommended to attach four casters to one item, placing them at the four corners or edges. Specifications: Weight: 4.2 Ounces Quantity: 12 Count