Arriving in T2 with 1 Toddler and 1 Baby at Beijing Capital Airport

Hello, in the city I have a transfer time of 5 hours in T2. I travel with 1 Toddler and 1 Baby and my wife of course. is there a Lounge that i can go to? For relax a bit and my children can sleep a bit. we arrive Early. i have no program cards or something?