32 fl oz amber 'growlette'. You will also need a 38 mm screw top, which is not included. 38mm is the same finish as most standard screw top growlers.
Sold individually or in a case of 12.
White Metal Screw Cap (38 mm) - Pack of 25
White Metal Screw Cap (38 mm) - Pack of 100
Screw Cap With Airlock Hole