Swansea will face a near full-strength Ulster side in round three of the Celtic League at St Helen's on Saturday (kick-off 2.30 pm).
Ireland coach Eddie O'Sullivan agreed to release all his international players for this weekend's matches in the wake of the victory over Romania.
It means that David Humphreys and Paddy Wallace are available, although lock Gary Longwell is ruled out with an achilles strain.
Skipepr Andy ward will be missing through injury, but Lions lock Jeremy davidson is in the side along with fellow Irish international forward Justin Fitzpatrick.
Bryn CUNNINGHAM ; James TOPPING; Jon BELL (Capt), Adam LARKIN, Tyrone HOWE;
David HUMPHREYS , Neil DOAK; Justin FITZPATRICK, Matt SEXTON , Robbie KEMPSON, Mark BLAIR, Jeremy DAVIDSON,
Warren BROSNIHAN, Neil MCMILLAN, Russell NELSON.
Replacements: Simon BEST, Paul SHIELDS,
Tony McWHIRTER, Neil BEST, Kieran CAMPBELL, Ryan CONSTABLE, Paddy WALLACE.
Nearly 40 players were involved in the first Wales Under 18 training session of the season. WRU National Performance Manager Gethin Watts is excited at the potential shown by the group and expects the Regional Under 18 Championship to hone their skills even further.