Kraft Paper Stand Up Coffee Bag/Flat Bottom Pouch with Air Release Valve and Reusable Side Zipper. (50pcs, 1lb/16oz) KEEP IT FRESH  Preserve the freshness of your contents with a degassing valve to keep gases and moisture at bay. Comes with side zippers tamper proof seal FOOD SAFE MATERIAL  Natural Kraft Paper + Aluminum foil fused protective inner lining + LLDPE DURABILITY  A heavy-duty bag that provides both an excellent moisture barrier and high resistance to puncture and tear with it 6 milliliters thickness CAPACITY  Size for 16oz / 1lb of coffee bean or coffee grounds. Attractive, retail-friendly stand up design that is printable on both sides for your personalized labeling. SIZE  50pcs of Kraft flat bottom side gusset paper bag. 5.5 x 3.4 x 9.2 Inch. 140 x 85 x 235 mm. Length x Width x Height. NOTE: Heat sealer (not included) is required to seal the paper bag flaps.