Class I - mushrooms in whole:
- Class 1A - up to 20 mm
- Class 1B - from 20 mm to 25 mm
- Class 2 - from 25 mm to 35 mm
- Class 2A - from 35 to 45 mm
- Class 2B - from 45 mm to 55 mm
Class II and III - mushrooms in slices:
- Class 3S/S – up to 25 mm
- Class 1S - from 25 mm to 35 mm
- Class 2S - from 35 mm to 55 mm
- Class Hotel - from 20 mm to 60 mm