Rubber, Plastic and Cork ClosuresLab Supply Outlaws offers a vast array of container closures from test tubes through to beakers. The closures come in a range of materials plastic and rubber screw closures as well rubber, cork and plastic stoppers. Look for the closure you may need from this great range available.We carry other products also from leading lab suppliers and brands such as Fisher Scientific and VWR Scientific. We aim to meet your lab needs regardless of size, budget, or industry. At Lab Supply Outlaws, we make it easy for you to equip your lab or office by purchasing lab containers online. Lab Supply Outlaws are committed to supplying the best range of products for all your lab needs. Questions about equipment, brands or products? Ask our lab supply experts.