Reagent Bottle Available in polypropylene as well as polyethylene. The polypropylene bottles are rigid, translucent and have excellent contact clarity. These bottles can be autoclaved when filled, as well when they are empty. The polythylene bottles also have excellent strenghth and are unbreakable. The polypropylene cap has a built in seal ring to make these bottles leakproof. Pack of 12, Narrow Mouth 500ml, Polypropylene Qty :