1、Thermal Insulation: The cup is made of copper plated inner liner, which is stretched, and the inner wall of the liner is electrolyzed for good thermal insulation. 2、Complete Kit: This set includes cup, straw, straw brush, cup cover, cup brush, complete use and cleaning set, convenient and practical. 3、Portable: Exquisite and compact, portable and effortless, cute and fun vacuum eggshells, easy to carry around without burden. 4、Widely Applicable: This portable thermal cup is suitable for home, university, school, office, travel, etc., with a wide range of applications. 5、Food Grade Material: The cup is made of food grade stainless steel, which is sturdy, wear resistant, rust proof and can be used at ease. 1 x Cup1 x Straw1 x Straw Brush1 x Cup Cover1 x Cup Brush Item Type: 12oz Eggshell CupMaterial: 304 Stainless SteelGross Weight: 255g / 9.0ozProduct Capacity: 350mlProduct Size: Approx.6 x 8.2 x 11.8cm / 2.4 x 3.2 x 4.6inPurpose: 5 hours for thermal insulation, 9 hours for cold insulation Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia