Aluminium cap 1)Material: Caps made of aluminium foil. Liners made of PE and butyl rubber. 2)Specifications: height less Aluminium cap1) Material: Caps made of aluminium foil. Liners made of PE and butyl rubber.2) Specifications: height less than 70mm, diameter as request.3) Sterilized by O34) Logo can be made.5) printing as request. Aluminium Cap