500G Black Coffee Bag 140um Air Degassing Valve 100pcs

Availability: In stock

Outer Size: 180 x 290mm+50mm
Qty: 100pcs
Thickness :140UM
Capacity: Approx 500grams
Colour: Black
Air Degassing Valve
Pull-Tab Zipper
User Instruction:
-1, Put coffee beans into bag
-2, Seal the top part of bag(above zipper) by sealing machine(not included)
-3,Turn over the bag and use the sealing machine to seal again if the sealing is not perfect
-4, Squeeze the bag to release the air inside through degassing valve