The 32-oz. Nalgene Narrow Mouth Bottle offers a seamless drinking experience, thanks to its thoughtfully designed narrow mouth. Say goodbye to leaking issues—the bottle and closure system ensure a leak-proof seal without the hassle of O-rings that might fall out. Crafted from Eastman Tritan material, this bottle is not only dishwasher-safe but also impressively durable, resisting both tastes and odors. Whether you prefer hot or cold beverages, this bottle has you covered with its superior impact resistance and ability to handle temperatures ranging from a scorching 100°C/212°F to a freezing -40°C/-40°F. Perfect for year-round use, it features a convenient loop-top design to keep you from ever losing the lid. The bottle also includes markings in both milliliters and ounces, making it easy to measure your liquids accurately. Resistant to staining, this Nalgene bottle remains fresh and odor-free, ensuring that each sip is as enjoyable as the last.