Double Wall Freezer Beer Mugs The mug features a unique double layer cooling design that chills drinks quickly and with little effort. To use, fill the mug with clean water, freeze it, and unscrew the bottom lid to pour an icy beverage. Freezer Safe Beer Pitcher Made from food grade PET material, these freezer cups are light, durable, and safe for use. They are designed to provide reliable cooling every time for a refreshing drinking experience. Good Thermal Insulation These freezer cups offer good quick cooling ability and also provide insulation. They help block external temperatures to keep your drink at a pleasant temperature for longer. Ergonomic Innovation An ergonomic handle provides a comfortable grip, reduces hand fatigue, and improves portability. This design supports an enhanced and comfortable drinking experience. Use scenarios Home bar or casual gatherings: prepare iced beer or cold drinks quickly for guests without the need for ice. Outdoor activities: ideal for picnics, camping trips, or beach outings where refrigerator access is limited. Parties and events: maintain a refreshing beverage temperature during social occasions with minimal setup. Materials and safety Food grade PET material ensures lightness, durability, and safety while delivering reliable cooling performance. In brief Double wall design for fast chilling Freezer ready by freezing water inside and opening the bottom lid to drink PET material for lightness and safety Balanced cooling and insulation for enjoyable drinking Ergonomic handle for comfortable use and portability