Double Wall Vacuum InsulationDouble-layer insulated 12 oz wine glass can keep your beverages warm or refrigerated for more than 3 hours, and refrigerated for more than 9 hours. The bottle will never sweat or feel hot to the touch! Advanced Splash CoverThe splash cover can prevent her from drinking coffee or wine in the backyard. If she walks around or puts a bottle of coffee or wine in the car, it will not spill or get dirty. Easy to CleanOur birthday wine glasses are equipped with environmentally friendly stainless steel straws and straw cleaners, and a cup cleaning brush is attached, allowing you to easily handle these cups filled with ice cream and various beverages after the party. Environmental Protection and Money SavingAs most cafes and coffee shops now offer discounts for reusable coffee cups, our reusable coffee cups can save you money while protecting the environment. Humanized DesignThis stainless steel wine glass adopts ergonomic design. After different people's trials, the most suitable arc is finally designed to ensure that you have the most comfortable grip. To satisfy any occasion, red wine sober is better and better. Product Performance: Heat Preservation, Cold Preservation Product Capacity: 12oz/360ml Cup Size: Upper Mouth Diameter: 8.5cm/3.34inch Cup Bottom Diameter: 6.5cm/2.56inch Cup Height: 11.7cm/4.6inch Cup Body Material: Double-layer inner and outer 304 stainless steel + copper plating on the outer wall of the inner tank (better thermal insulation and cold preservation) + electrolysis on the inner wall of the inner tank (good sterilization effect, delicate touch) Lid Material: Plastic Straw Material: Stainless Steel Color (optional): Pink, Mint Green, Rose Goldwhite Product Structure: Double-layer Vacuum Performance: keep warm for 3-6 hours and keep cold for 9-12 hours Printing Content: NOT A DAY over fabulous Notes: Due to the difference between different monitors, the picture may not reflect the actual color of the item. PACKAGE INCLUDES: 1* Cup 1* Cup Lid 1* Straw