Nalgenes Narrow Mouth water bottle with a leak-proof screw cap. Nalgenes classic 32oz Narrow Mouth water bottle made from BPA-free and shatterproof Tritan. This compact drinks container features Nalgenes renowned leak-proof screw-top lid container for secure water carry. Nalgene bottles are environmentally friendly, made from a range of 7 recycled plastics. The Narrow Mouth 32oz bottle lightweight, weighing only 168g meaning its perfect to take travelling and on daily commutes. This an excellent mid-capacity bottle from commuting to the office to hiking the trail. Make this the bottle of choice for your next adventure.