Rubber Cork Assorted (Ordinary) are general-purpose laboratory stoppers used for sealing test tubes, flasks, bottles, and other laboratory glassware. These corks are made from good quality rubber and are supplied in assorted sizes to fit different types of laboratory containers.The rubber corks provide a tight and secure seal, helping to prevent leakage, contamination, and evaporation of liquids during experiments or storage. Their flexible nature allows easy insertion and removal without damaging the glassware.These corks are red colour & are commonly used in chemical lab, educational institutions, research laboratories, and industrial testing facilities for routine laboratory applications.