MATERIAL:Cap: Polypropylene with polyethylene foam linerLiner: FDA compliantUSAGE:While made of FDA compliant resins, it is recommended to clean before first use. SPECIFICATIONS:Jar & Cap: BPA FreeStore food, liquids or pharmaceuticals.Unbreakable, lightweight.Wide mouth for easy filling.Corrosion-resistant HDPE.FDA compliant.Caps included.OPENINGDIAMETER 1 3/4″