These particular bags are stand up bags for food or pet food. They can stand up wothbottom gusset. They are resealable with zippers. We are an experienced and professional factory of plastic packaging bags for garments, foods, and agricultural products. Our factory does flexible packaging business directly with foreign broker companies and end users. Our factory is looking forward to being a supplier of any company in this industrydue to professional service and cheap service. producing area:China