1.with bottom gusset and degassing valve 2.Durability material 3.High quality printing ... can be three-side sealed,Stand-up w zipper bags, Sides gusset standing pouches (rear fin or hidden fin), Quad-sealing bags. Valves ... 1kg, 3kg 125g, 150g, 250g, 500g, 1kg, 2kg, 3kg, 5kgetc…, side gusset coffee bag with valve