1 Specification: 6 Oz. 50" X 5Y Fiberglass Cloth 2 Product: Fiberglass bathtub repair kit is made of alkali free fiberglass, rectangular fabric, soft and smooth, without defects or obstacles. 3 Application: This glass fiber cloth is lightweight, high in strength, and can repair many surfaces, including metals, plastics, ceramics, wood, concrete, etc. Suitable for the maintenance of RC aircraft, car surfboard, water tank circuit board for ships. 4 Features: It is compatible with epoxy resin, vinyl ester, and polyester resin systems. Easy to be soaked by resin. 5 Tip: In order to provide better price, we have used folding packaging. Based on our experience, folding will not affect the use of the product.