5 PCS Computer Seat Pulley Holder Chair Roller Non-slip Pad(Round Black Plastic Bottom)

1. Square groove, fit the wheel foot, prevent sliding
2. The position can be adjusted in translation, fixed to prevent running, and can be easily moved
3. Environmentally friendly felt material, scratch-resistant floor, quiet and wear-resistant
4. Felt bottom is suitable for wood/tile floor, ABS plastic disc bottom is suitable for carpet
5. Applicable: office chair/freezer/childrens bed/refrigerator, etc.
6. Material: high density felt + soft EVA material
7. Dimensions: square 8 x 7 cm, groove width 5.6 cm, depth 1 cm, round diameter 8.5 cm