Shiny Object CO2 Inflator Color:One They fold down to a

They fold down to a 1-in flat oval and come with a handy carry bag

biodegradable foam

On the contrary

Expands to add 20-30% more volume

National Geographic's map of the Pacific Crest Trail is ideal for fans and hikers of this magnificent National Scenic Trail

Shiny Object CO2 Inflator Color:One They fold down to aShiny Object CO2 inflator is made of indestructible oh so shiny alloy and fits on both Presta and Schrader valves. Its control knob easily regulates how fast the CO2 is released, making flats a breeze to fix. Inflator only height: 44 mm (1. 75") Inflator only weight: 40 g (1. 5 oz) Leather sleeve length: 55 mm (2. 25") Weight of inflator with cartridge: 80 g (3 oz)