Specification: Product Name: Vacuum Flask Material: SUS 304 stainless steel Color (Optional): Green/Pink/Blue/Gray size: Vacuum flask: 6.5 x 23.5cm/2.6 x 9.3inch (diameter x height) Sharing cup: 6.5 x 5.8cm/2.6 x 2.3inch (diameter x height) Capacity: 500ml/17.6oz Style (Optional): Style 01, Style 02, Style 03, Style 04 Note: Due to manual measurement, there will be an error of 1-3 cm. Due to the different monitors, there will be some color difference. Parts List: 1x Vacuum Flask 1x Cup brush 1x Gift bag or 1x Vacuum Flask 2x Sharing cups 1x Cup brush 1x Gift bag (Buy whichever you need) [Keep Hot & Cold]Our double-layer vacuum insulated travel mug adopts heat preservation technology, which can keep hot and cold liquids water, coffee, tea cold and heat preservation for more than 6 hours, and is made of BPA-free materials, which is safe to use. [Quality Material]This beautiful and stylish vacuum insulated flask is made of SUS 304 stainless steel, will not break, scratch-resistant and easy to clean. PP stainless steel push switch, water can be discharged 360 degrees with one key, convenient and fast. The travel mug is equipped with a sponge brush for daily cleaning. [Exquisite Combination]We have 2 styles to choose from, namely 1 thermos cup, 1 cup brush, 1 gift bag or 1 thermos cup, 2 sharing cups, 1 cup brush, 1 gift bag. 4 colors green /Pink/blue/gray can be selected. It can be used as a replacement or to share hot drinks with others. [Lightweight & Portable]Our stainless steel water bottle is very suitable for daily use and portable. The thin and light cup body is convenient to carry with you, such as hiking, biking, beach, camping, traveling, school or company. Put the portable hot drink