[Set of "GOMUG that fits perfectly with convenience store coffee" and "cup that can be reheated"] It is available in two sizes: "S size" that fits a hot coffee cup perfectly, and "M size" that fits an iced coffee cup perfectly. They can be used in combination or individually, so you can easily use them according to the scene and purpose. [Convenient outer mug and inner cup set of 2] ? Outer Mug → Vacuum two-layer structure so it does not condense & retains heat and cold ? Inner cup → Reheatable in the microwave & washable and reused [The inner cup can be reheated in the microwave] The inner cup can be reheated in the microwave, so it's okay if the coffee cools down. If you put it in an outer mug after warming it up, it will keep warm and you can enjoy delicious hot coffee for a long time. The inner cup is dishwasher safe, so it's easy to clean. You can use it casually. [Size S perfect for hot coffee at convenience stores] The "S size" is perfect for hot coffee at convenience stores. If you put it in an outer mug, it won't get hot when you hold it. [Perfect for convenience store iced coffee "M size"] The "M size" is perfect for iced coffee at convenience stores. If you put it in an outer mug, it won't condense, so it won't get soaked even if you put it on your desk or table. [Ideal for desk work] The coffee temperature lasts for a long time, making it ideal for relaxing at home, teleworking, or desk work in the office. 【Product Information】 Product Name: Go Mug + Cup S Size: [Mag] φ76×H97mm [Cup] φ80×H101mm Weight: [Mug] 115g [Cup] 29g Stainless Steel [Cup] polypropylene Full Water Capacity: [Mug] 0.3L [Cup] 0.25L Country of Origin: China [Mug] Heat retention effect: 95°C→42.7°C (1 hour) Cold retention effect: 3.9°C→7.2°C (1 hour) [Cup] Heat Resistant Temperature: 100°C Cold Temperature: -20°C 【Product Information】 Product Name: Go Mug + Cup M Size: [Mug] φ86×H122mm [Cup] φ90×H121mm Weight: [Mug] 153g [Cup] 38g Stainless Steel [Cup] polypropylene Full Water Capacity: [Mug] 0.46L [Cup] 0.38L Country of Origin: China [Mug] Heat retention effect: 95°C→49.5°C (1 hour) Cold Holding Effect: 3.9°C→6.2°C (1 hour) [Cup] Heat Resistant Temperature: 100°C Cold Temperature: -20°C