This 2-pack FRP measuring bottle set is an essential tool for fiberglass and composite projects. Each set includes a large-capacity bottle with a calibrated graduated tip for accurate dispensing of MEKP catalyst, resin hardener, and other industrial chemicals. The squeeze design allows easy one-hand operation, delivering controlled, drip-free flow every time. Made of durable, chemical-resistant plastic, these bottles withstand most solvents, acids, and alkalis for long-term use. The leak-proof sealed structure prevents chemical evaporation and spills, making them safe for storage and transport. Perfect for boat repair, fiberglass lamination, resin crafts, mold making, and both professional and DIY applications.