O-BUSTER Oxygen AbsorberO-BUSTER is More Cost Effective and Efficient at Maintaining Freshness than Conventional Methods such as Vacuum Packing and Gas Flushing. O-BUSTER is certified by the Japan Food Research Laboratories & is FDA approved Sealed Vacuum Package: includes 250 Oxygen Absorber Sachets 30cc Oxygen Absorber CapacityRecognised Worldwide as The Best Oxygen Absorber of its Kind What's in the box 250 sachets