We Offer Reagent Bottle Narrow Mouth. These Narrow Mouth Reagent Bottles are Available in Polypropylene as Well as Polyethylene. the Pp Bottles are Rigid, Translucent and have Excellent Contact Clarity. These Bottles Can Be Autoclaved Filled as Well An Empty. On the other Hand, the Polyethylene Bottles Too have Excellent Strenght and are Unbreakable. the Polypropylene Cap Has a Built in Seal Ring to Make These Bottles Leakproof .available in Capacity 60,125,250,500 & 1000 Ml.