Store › 3'' Polishing / Compound Foam Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 3'' Polishing / Compound Foam £3.38 Velcro backed Polishing / Compound foam.Black - Polishing.Peach - Compounding/Cutting.Size - 75mm (3’’). Type: Select Type Polishing Compounding Quantity: Add to Cart Added! Velcro backed Polishing / Compound foam.Black - Polishing.Peach - Compounding/Cutting.Size - 75mm (3’’).