Laboratory Test Tube Screw Cap are is specifically designed to provide a leak tight closure for the convenient storage and transport of test tubes. It is manufactured from the premium grade plastic material in order to ensure its adaptability with all chemicals and solutions. It has high tensile strength and heat resistant. Laboratory Test Tube Screw Cap fits perfectly on the mouth of test tube. Customers can avail this product from us in various sizes and specifications as per requirements at cost efficient rates.