Descripción 2" x 12" (305 mm x 305 mm) Adhesive Sheets SB12D: Two-Sided Adhesive Sheet for Semi-Permanent Setups SB12E: One-Sided Adhesive Sheet with Felt Backing to Prevent Surface Marring from Sorbothane Sheets Sized for Compatiblity with Sorbothane Sheets (Sold Above) Can be Cut to Size for Use with Sorbothane Feet These Adhesive Sheets are designed to be used with our Sorbothane mounting feet or sheets. The SB12D sheet, which has two adhesive surfaces, is ideal for semi-permanent applications where the sorbothane surface will not have to be moved often. Our SB12E sheet, which has one adhesive and one felt surface, prevents the sorbothane from marking or marring the table surface that they are placed on.