The David's Fastglass Glass Fibre Kit is a polyester resin kit containing resin, hardener, glass fibre, mixing cup and protective gloves. It has been developed for the repair of holes, splits, cracks and tears in most materials including metal, wood, hard plastics, bricks etc. It can also be used as a construction material to manufacture storage tanks etc and offers perfect adhesion to most surfaces and is a solid base for most paint systems. The small version of the kit contains 250ml opaque polyester laminating resin, a glass fibre matting sheet (25 x 110cm), mixing stick, measuring beaker / mixing cup, protective gloves, 0.5" brush, 10g red BPO paste hardener sachet and detailed instructions. Polyester resin kit containing:250ml resin, 10g hardener, glass fibre, mixing cup & protective gloves Can be used to: repair, construct, create, resilient, permanent, waterproof Sandable after 20 minutes (at 20C) Can be covered by the majority of primers & paint systems In order to fill any pinholes or imperfections use U-POL polyester body filler