This kind of aluminum plastic caps usually used for vodka and other liquor glass bottles, also can be used for plastic bottles. Usually have two sizes to choose, diameter is 28mm and 32mm, the bottleneck usually choose normal size, can choose many colors as you like. The outside is aluminum caps, the thickness usually from 0.21-0.23mm, can print different color logo on the top. Inside is plastic cap with PE liners. When screw on the bottle, have good sealing function, but this aluminum plastic cap does not have anti-theft function, usually use with PVC caps outside, then when open it, need destroy PVC cap first. The aluminum plastic caps can meet various requirements in the filling process. Easy to open, can use again after open. Our delivery time usually 14-18days.Please show us your samples or descriptions, we will try to show similar kind to compare. If have more questions, we would like to discuss more details with you by mail or whatsapp.