Features: 100% brand new and high quality. The color of the item may differ slightly from the picture due to differences in lighting and screen settings. Allow slight dimensional differences due to different manual measurements. The picture is for reference only, please see the manual for details, thank you! Specifications: This water mug design with a anti-slip handle and double wall, which can protect your hands from scald. Because this water mug has a polished surface, which is easy to clean and safe for you to use. Made of food grade 304 stainless steel, which is reliable and durable. There are four capacity for you to choose from. It is suitable for to use at home, dorm or office etc. Item Name: Water Mugs Material: copper alloy Features: Shatterproof, with Lid, Double Wall Size Details: 200ml: 6.8cm x 9.3cm 300ml: 7.3cm x 10cm 400ml: 8cm x 12cm 500ml: 8.5cm x 13.9cm Package Includes: 1 x Water Mug(Lid Included)