Set Included: you get 4 pieces of double layer beer ice mugs; You no longer need to worry about the regular gel frozen cups being broken or leaked, which may cause accidental ingestion; Our frozen beer cups are safe for , with a capacity of approximately 13.5 oz Double Layer Design: our frozen beer cups use a transparent double layer structure, which can effectively insulate, prevent condensation on the outside of cold drinks, keep your hands dry, and more comfortable to use Convenient and Easy to Use: before use, open the bottom lid and pour in clean water, then tighten the lid and put it in the refrigerator to freeze; When you need to use it, just take it out of the refrigerator and pour it into the drink; It's that simple and convenient No Dilution Cooling: just pour any drink into these frozen cups, and they cool quickly; Don't worry about traditional melting and diluting your drink; The are safely contained between the double layer walls, keeping your drink cool without touching it Materials: our frozen beer cups are made of no plastic, which is safe, healthy, and suitable for long term use; Pour your favorite beer into it and enjoy it; They're also nice for root beer, iced coffee, or even just plain water Color: Transparent & white Material: pet Package Contents: 4 Pcs x Frozen Beer Mugs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.