How to use: First, clean the area to be pasted, then carefully remove the protective film, stick the third one to the place you want, and press it several times, finally install the other casters as the step, please use it after 24 hours. Limited load: The maximum load of the wheel caster is about 8 kg, suitable for most DIY demands, electric air filter, trash can, various storage cartons, boxes and bucket, rice pot, potting, small furniture, etc. Size: 1.88 x 0.88 x 0.63 inches/ 4.8 x 2.2 x 1.6 cm Limited load: 8 kg (4 pieces) Material: plastic color: white Package Content: 32 x Self-adhesive wheels Only the package Above, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.