... .Internal-exposing bottle cap 2.Material: PP, non-refillable 3.Can be produced different size and color by customer's order Internal-exposing bottle cap, Vodka bottle cap, Whisky bottle cap, Brandy bottle ... of wine bottle caps can be customizedIf you have any questions, please feel free to contact me. Internal-exposing bottle cap, Vodka plastic bottle cap, Whisky wine bottle cap