Coffee beans’ greatest enemies are air, moisture, heat, and light. To preserve your beans’ fresh roasted flavor and taste of your coffee, store them in an opaque, air-tight container at room temperature. Keep your beans in a dark and cool location. Avoid places that are too warm. Our Kraft Paper Stand Up Coffee Bag is ideal to keep your home roasted coffee fresh, keep in small pack, share with friends or preserve your bulk purchases frozen with this high barrier gusset stand up pouches. The one-way valve lets excess air get squeezed out, but doesn't allow it back in. Keeping air and moisture out to prolong your dried food. The thick foil and LLDPE layers provide UV protection for keeping everything fresh. Even your darkest oily roasts won't soak through these bags. Heat seal the flaps for a professional look. Accessible with a side tamper proof zipper. This bag is attractive, retail-friendly gusset stand up design can be embellished with personalized logos and labels. Product Detail: Kraft Paper Stand Up Zipper Coffee Bag FEATURES: Gusset stand up design with high quality one-way degassing valve for Coffee freshness. The one-way valve lets excess air get squeezed out, but doesn't allow it back in. MATERIAL: Nature Kraft Paper, Aluminum foil fused protective interior lining, LLDPE and side tamper proof zipper. SIZE : 4.8 x 2.5 x 7.6 Inch / 124 x 65 x 195 mm. Length x Width x Height. For 8oz / ½lb coffee bean or coffee grounds. NOTE: Heat sealer (not included) is required to seal the paper bag flaps.