Premium Materials: Crafted with good inside and out, this cup natural properties, freshness preservation, and odors resistance for healthier drinking Portable Small Design: Measuring just 65 x 110 mm and weighing only 120g, this pocket sized tumblers is as light as a smartphone, easily fitting in pockets or small bags for outdoor adventures or offices use Enduring Temperature Retention: Featuring double wall vacuum insulation, it keeps drinks hot ( up to 43°C after 6 hours) or cold ( down to 12°C after 6 hours), ideal for all day hydrations Leak Proof & Secure Seal: The tightly sealed lid ensures 360 degrees spill proof, allowing worry without carrying in bags without liquid leakage Versatile Beverage Compatibility: Perfect for coffee, herbal tea, juices, milk, or gingers tea, accommodating drink preferences