QY 12PCS Black Round Shape 30mm EVA Self-adhesion Non Slip Non Skid Floor Protector Pad EVA Bumper for Furniture Table Desk Chair and Sofa Made from high quality no smell EVA material. Easy to install. Reduce noise when moving furniture and slow down the vibration. Size: 30mm X 4mm. Great for desk, chair, sofa, bed and table to prevent the floor. also works well on botton of object Package including: 12 X black round shpae rubber feet pad.