40oz One-button Open Flask

Meet the ultimate companion for your daily hydration and on-the-go adventures: the 40oz One-button Open Flask. Engineered for unparalleled convenience and performance, this high-capacity vessel is designed to keep your beverages at the perfect temperature for hours. Its standout feature is the innovative one-button opening mechanism, allowing you to access your drink with a simple, effortless press—perfect for staying hydrated while driving, hiking, or working. Constructed from premium, food-grade stainless steel, it ensures no metallic taste and superior durability. The advanced double-wall vacuum insulation technology guarantees your hot drinks stay steaming hot and your cold beverages remain refreshingly icy all day long. Furthermore, the flask boasts a completely leakproof and spill-proof seal when closed, giving you absolute confidence to toss it in your bag without worry. While our popular 20oz model is ideal for shorter trips, this 40oz version is the perfect choice for long days, intense workouts, or situations where frequent refills aren't an option.

The 40oz One-button Open Flask is meticulously crafted with the user in mind, featuring an ergonomic design that fits comfortably in most car cup holders and bag pockets despite its generous capacity. The wide mouth opening facilitates easy filling, cleaning, and allows for adding ice cubes effortlessly. The exterior finish is not only stylish and resistant to scratches but also features a sweat-proof coating to keep your hands dry and your surfaces condensation-free. It is 100% BPA-free, making it a safe and healthy choice for everyone in the family. Whether you're a professional needing coffee throughout back-to-back meetings, a parent on the go, or an outdoor enthusiast, this flask delivers reliable performance and ultimate convenience. Its robust construction is built to withstand the rigors of daily use, making it a long-lasting investment in your hydration and lifestyle.

Key Specifications of the 40oz One-button Open Flask:

• Capacity: 40 Ounces (Approx. 1.18 Liters)
• Material: Premium 18/8 Food-Grade Stainless Steel (Inner & Outer Wall)
• Insulation: Double-Wall Vacuum Insulation
• Temperature Retention: Keeps hot for up to 12 hours, cold for up to 24 hours*
• Opening Mechanism: Patented One-Button Push-Button Lid
• Leakproof: Yes, 100% Leakproof and Spill-Proof Seal
• Mouth Opening: Wide Mouth (Approx. 1.8 inches / 45mm diameter)
• Exterior Finish: Durable, Scratch-Resistant, Sweat-Proof Coating
• Dimensions (Approx.): Height: 10.6" (27 cm), Diameter: 3.7" (9.5 cm)
• Weight: 1.3 lbs (590 grams) when empty
• Compatibility: Fits in most standard car cup holders
• Care: Dishwasher safe (top rack recommended); Hand washing advised for longevity.

*Temperature retention times may vary based on ambient conditions and initial liquid temperature.

Feature Comparison: 20oz vs. 40oz One-button Open Flask