• Keep Drinks Hot or Cold for Hours: Double-wall vacuum insulation maintains the ideal temperature, keeping drinks warm for up to 6 hours or cold for 12. Whether it’s your morning coffee or a refreshing iced tea, enjoy it just the way you like it.
• Pure Taste, Every Sip: Crafted with an ultra-dense 316L stainless steel interior, the tumbler resists odors and metallic aftertastes—preserving the original flavor of coffee, tea, or infusions. Every sip is clean, fresh, and true to taste.
• Made for Life on the Move: Compact and lightweight, the OutIn Travel Tumbler fits seamlessly into your everyday carry. Perfect for your commute, outdoor adventures, or simply staying hydrated at your desk.
• Durable and Safe: The 316L stainless steel interior resists corrosion and scratches, ensuring worry-free sipping every time.

*Under test conditions of 26°C (78.8°F) room temperature, the Travel Tumbler maintained water at an initial 95.5°C (203.9°F) for six hours, with a final recorded temperature of approximately 44°C (111.2°F).