Nalgene 24oz On-The-Fly (OTF) Sustain Water Bottle - Slate Blue with Glacial Cap Colour:Slate Blue with Glacial Cap Marks on the server indicate

Marks on the server indicate 2 cups and 4 cups of brewed coffee

The open exterior is cut extra wide to hold cards

Size matters

The Classic Pro backpack in Absolute Black combines all the trademark CabinZero bag features

designed to fit between the handle tubes inside rolling bags

Nalgene 24oz On-The-Fly (OTF) Sustain Water Bottle - Slate Blue with Glacial Cap Colour:Slate Blue with Glacial Cap Marks on the server indicateA slim shape and fortified cap make On The Fly ideal for care free storage in work bags, gym bags, backpacks and cup holders. Opens easily for convenient one hand refreshment on the fly. Locks to prevent spills.