Designed for convenience, its 100% leakproof construction ensures worry - free carrying, and the cupholder - compatible structure fits most cup holders. This large - capacity water bottle keeps drinks hot or cold until the last sip, combining durability with portability. Ideal for outdoor enthusiasts, using our double - wall vacuum - insulated stainless - steel tumbler during morning hikes, kayak adventures, or daily commutes allows you to easily stay hydrated.