Stylish and versatile, the Nalgene Sustain Narrow Mouth water bottle with a leak-proof screw cap lid. The Nalgene Sustain Narrow Mouth water bottle lightweight, meaning its perfect for taking along with you on your travels, for hiking the trail, or even for your daily commute.Incredibly well designed, this compact drinks container features Nalgenes renowned semi-buttress, leak-proof screw-top lid for securely carrying your water. Made with 50 certified recycled content, Nalgene bottles are environmentally friendly, BPABPS and phthalate-free, allowing you to feel proud about lowering your impact on the environment. Youll want to make this the bottle of choice for your next adventure.