Laboratory Reagent Bottle Stopper is mainly used to prevent the contamination of chemicals and liquids from the environmental conditions. It is prevents the direct contact or corrosive chemicals to open atmosphere. Some chemicals may react with oxygen and this Laboratory Reagent Bottle Stopper eliminates such conditions. It is manufactured from the high quality materials which makes it adaptable to corrosive conditions. It is durable and offers tight closure. Customers can avail this product in various sizes as per requirements at affordable rates.