The Squirrels beat Llantwit Fardre 16-6 in their semi-final to book their place in the final against Merthyr.
Sunday’s events kick off with Llantwit Major taking on Clwb Rygbi Cymry Caerdydd in the Swalec Bowl at 1pm, then it’s Rhiwbina vs Merthyr at 3.15pm in the Swales Plate and Swalec Cup champions Pontypridd playing 2012 winners Cross Keys in the day’s finale, the Cup final, at 5.35pm.
The Rhiwbina team is as follows:
15 Sion Summers, 14 Brett Chatwin, 13 Joe Casella, 12 Gareth McCarthy, 11 Chris Fido, 10 Josh Davies, 9 Harry Trelawny (capt), 8 Dave Smith, 7 Sean Darlow, 6 Dan Murphy, 5 Matthew Hall, 4 Gareth Jones, 3 Mike Williams, 2 Jamie Deabreu, 1 Andrew Deabreu.
Replacements: 16 Paul Smith, 17 Matthew Lord, 18 Jonny Bickel, 19 James Huntley, 20 Pat Howell, 21 Alex Kerr, 22 Louis Millar
Tickets for the Finals Day are £10 for adults, £5 for Under 16s and £20 for a family of four. They are available via wru.co.uk/tickets with a print-at-home option and to personal callers from the WRU Store and Ticketline, Westgate Street, Cardiff up until kick-off.