Portland Design Works Shiny Object CO2 Inflator with Leather Sleeve and Cartridge CO2 inflator with 16-gram CO2 cartridge and stitched leather sleeve Fits Presta and Schrader valves; compatible with all threaded CO2 cartridges Control knob regulates speed of CO2 release Sleeve leather is vegetable tanned and dyed with natural oils and waxes Indestructible alloy construction; lifetime warranty against defects