Shoe Goo 3.7 oz. Black Shoe Repair & Protective Coating, Works on leather, vinyl, rubber, and canvas. Seals and protects boots. Carded Advantages : Waterproofing: Shoe GOO is water resistant immediately upon application. Apply Shoe GOO directly to the surface to be sealed. Use thin coats of Shoe GOO to build a thick coating on the surface to be sealed, allowing each layer to set 3 to 4 hours. This is especially ideal for smooth surfaces, such as plastic, glass or ceramic.