The sizes of the potae sml, med and lge, measure the size the brim surrounds your head.
55mm-60mm - Small60mm-65mm - Med
65mm 70mm - Large
P1 Potae Nat&Red Lge
Any spilages wipe with a damp cloth and dry immediately preferably in the sunshine.
Do not store in plastic or cardboard.
If mould appears brush off with a brush and wipe with white vinegar diluted in water, dry immediately in sunshine.
Store away from sunlight especially dyed potae, this will cause the colour to fade.
Store it in a dry place.
With little guidance and the right materials, your taonga should last forever.