Bags rated in ounces of roasted coffee - Roasted weight the bags can hold will vary depending on coffee density and roast level but we tried to use standard dark roast weights; bags may hold more with lighter roasting or less with super dark roasting.
2 Oz. bags do not have valves, not enough gas build up with 2 ounces to trigger the valve.
These ziplock style valve bags will keep your coffee tasting fresh. One way degassing valves keep harmful oxygen out while releasing the CO2 gas produced by your coffee.