Virgin Australia Airlines Hand | Cabin Baggage for Domestic: 7 kg.
For Economy class, one standard piece of 7 kgs are allowed (Maximum dimensions: 56cm long, 36cm wide, 23cm deep)
For Economy X class, two small pieces of 7 kgs are allowed (Maximum dimensions: 48cm long, 34cm wide, 23cm deep)
For Premium Economy Guests, One standard piece and one suit pack of 7kgs are allowed. (Maximum dimensions (standard piece): 56cm long, 36cm wide, 23cm deep; Maximum dimensions (suit pack): 114cm tall, 60cm wide, 11cm deep)
Along with this one personal item is allowed.
In addition to the carry-on baggage allowance, one of the following personal items may be carried in the cabin:
Visit here for more details about personal item.
For more details visit: https://www.virginaustralia.com/au/en/plan/baggage/carry-on-baggage/
Business class: one standard piece of 7 kgs are allowed (Maximum dimensions: 56cm long, 36cm wide, 23cm deep)
Velocity Gold: two small pieces of 7 kgs are allowed (Maximum dimensions: 48cm long, 34cm wide, 23cm deep)
Platinum Members: One standard piece and one suit pack of 7kgs are allowed. (Maximum dimensions (standard piece): 56cm long, 36cm wide, 23cm deep; Maximum dimensions (suit pack): 114cm tall, 60cm wide, 11cm deep)
Along with this one personal item is allowed. Check the above link for the list of personal item