Stainless Steel Thermal Tumbler, 16oz "Insulation tumbler is a common household item that you need it whether you are at home or in travel. It has got the function of heat or cold insulation: can be used to contain ice or ice water to enjoy the cool feeling in summer, or contain hot water in winter. And it’s also necessities of life for tea lovers.   1.Good-grade PP material,  non-toxic and tasteless, detachable and easy to clean, safe and sanitary; 2.Double-layer 304 stainless steel liner, long-time heat or cold insulation, healthy materials bring a healthy life;  3.Flip-up cover design, can be operated by one hand, enjoy free drinking anytime and anywhere; 4.Thickened non-slip pad bottom, wear resistant and non slip   ・Dimensions :  7 cm  x  22.3 cm ・Material : 304 Stainless steel  ・Capacity:  16 oz  ・Hot retention : 6 hours ・Hand washing recommended ・Customization: Insulation tumbler becomes one of the most popular gifts for modern people who are looking for health. Write your regard on cup, customize a unique gift for your friends, families, teachers or elders. "