GPI Thread Finish: 20-400Shell Material: PolypropyleneLiner Material: FoilCap Color: Black Magnakoys 20-400 Foil Lined Continuous Thread Black Screw Closure Caps Fit the following products 23 mm Wide Mouth Vial1 & 2 Ounce Boston Round Bottles closure. See our images to determine what size cap you need for your vials or bottles. Thank you for looking !!!!
