38 mm Plastic Rings are used as integral parts of oil storage bottles ( as for instance, bottles of mustard oil), beverage bottles etc. Made of PP, these black colored rings have sleek look. Available in custom made specifications, offered plastic rings can be accessed at reasonable rate from us. Light in weight, these rings improve sealing capacity of different oil or liquid storage bottles. Disposable quality, non toxic content, recyclable nature, ease of fixing and dissembling are some of the key aspects of these plastic rings.