Features： 1、Minimalist Style: Stainless steel eggshell cups, with minimalist style, you will love it at first sight, good looking and practical. 2、Sealed Lid: This stainless steel cup with sealed lid is spill proof, splashing proof, no leakage and keeps drinks freshing. 3、Keeping Warm and Cold: This metal eggshell cup has a certain insulation function, which can temporarily maintain the temperature. 4、Easy to Operate: The red wine glass is easy to use, simple to operate, also can travel with the use, very convenient. 5、Portable Eggshells: Exquisite and compact, portable and effortless, cute and fun vacuum eggshells, carry around without burden. Specification： Item Type: Eggshell Cup Material: Inner 304 Stainless Steel, Outer 201 Stainless Steel Gross Weight: 170g / 6.0oz Product Specification: 12oz Product Size: Approx.11.5 x 9 x 8cm / 4.5 x 3.5 x 3.1in Package List： 1 x Eggshell Cup