Insulated Travel Coffee Tumbler Mug with Straw Lid & Sip Lid 10oz, Stainless Steel Water Bottle for Hot & Cold Drinks, Leak-Proof Thermal Cup for Commuting, Hiking, Camping - Deep Green

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• 【8-Hour Thermal Performance】Military-grade copper-coated vacuum insulation maintains beverages above 185°F for 8 hours and below 40°F for 24 hours - outperforming standard stainless steel mugs. Enjoy warm coffee from morning commutes through lunch breaks, and refreshingly chilled water during extended hikes
• 【Certified Leak-Proof Construction】Superior to flimsy twist-on lids, our triple-protection system combines a rotating lock, silicone gasket, and spout lock mechanism. Passed 10,000+ shake/drop tests - leakproof when inverted, compressed in crowded transit, or tossed in gym bags. Backed by lifetime leakage warranty
• 【Dual Drinking Modes】Wide-flow straw effortlessly handles thick smoothies/shakes (no clogging like narrow-straw competitors); splash-free sip lid ideal for hot coffee. Detachable components prevent residue buildup with tool-free cleaning. Engineered for decade-long durability across seasonal temperature extremes
• 【Hygienic 304 Stainless Steel】The entire interior is made of single-piece 304 stainless steel, which is heat-resistant, odorless and easy to clean. Suitable for boiling liquids - safely stores acidic juices, dairy, and infant formula. Dishwasher-safe without color fading seen in enamel-coated alternatives
• 【Space-Optimized Ergonomics】Compact 3.31”W x 5”H profile fits snugly in car cup holders, backpack pockets, and desk organizers. Contoured grip accommodates smaller hands - ideal for teens, seniors, and arthritis sufferers. Non-slip base prevents desktop spills during work sessions, even with laptops nearby