Nalgene On-The-Fly Kids Sustain Bottle w/Graphic 12 Oz Striped Tiger. It has a one-handed push button that allows for easy open/close and contains a locking bail for ultimate insurance against leaks. Sustain bottles are made from material derived from 50percent plastic waste. Each bottle is created from resin powered by next generation recycling technology that transforms plastic destined fo Specifications for Nalgene On-The-Fly Kids Sustain Bottle w/Graphic: Manufacturer: Nalgene Fabric/Material: Tritan Renew Volume: 12 oz Weight: 4 oz Capacity: 12 oz Package Contents: Nalgene On-The-Fly Kids Sustain Bottle w/Graphic 12 oz Nalgene 1263-0033: On-The-Fly Kids Sustain Bottle w/Graphic 12 Oz Striped Tiger