The Nalgene Flask is a lightweight alternative to those heavy, clunky, stainless steel flasks.
 
PET Flask with polycarbonate sleeve provides durable, lightweight protection and insulation
Nalgene valve-seal offers secure leakproof storage
Cap doubles as a shot glass
PET material is BPA-free
Item Specifications
Color: Slate Blue
Ounces: 12fl oz
Bottle Type: Non-Bike,Rigid