The Nalgene BPA Free 32 oz. Narrow Mouth Loop-Top Bottle is perfect for quenching a big thirst. The narrow mouth makes for an easy-breezy drinking experience. The closure and bottle create a leakproof system with no o-rings that can fall out.Ideal for carrying water, juice, and other thirst-quenching beverages Narrow mouth for no-hassle, spill-free drinking Easy-to-open attached cap won't get lost Dimensions: 8 in. x 3 5/8 in.