LapWorks No-Slip Pads for Any 15 to 16 inch swivel Reinforced Foam Rubber cushions and protects. Protects your valuables from scratches and slips. Perfect fit for LapWorks 15.94 swivel Has a very strong adhesive backing, so it won't peel. 3 diameters to choose from: 10, 12 and 15 inch