Wholesale 4 oz, 8oz, 12oz, 16oz glass mason jar mug 1.Plain or embossed logo 2.Volum: 40ml, 120ml, 250ml, 480ml, 580ml etc 3.With handle or straw This is the best seller mason jar, we always has stock, or we also can custom prepare the cap or custom print label on it, own logo embossed on the jar need custom production, it need …