GTECHNIQ AP4 Multi-Purpose Applicator Pad These 7cm durable multi-purpose applicator pads, made from flexible, open-cell foam, are ideal for applying a variety of cleaning and coating products to tires, leather, glass, vinyl and rubber, such as: C6 Matte Dash L1 Leather Guard G4 Nanotech Glass Polish T1 Durable Tyre Gel.