J.A.
Congratulations on your twins. Mine are now 4. We actually used a port-a-crib because it held more weight. Up to 50 pounds. This is what the people recommended at Babies R Us. I beleive the brand was Cosco. It folds up (sideways) nicly and stores easily, but would not be good to travel with. I liked it because you can adjust the mattress to be higher than the pack-n-plays so you don't have to bend over so much to pick them up. The bassinet on most pack-n-plays only hold up to 15 pounds...not enough if you have both of them sleeping in it. My two slept in this together in our room until about 2 months and then we put them together in one crib until they were about 4 months old. Then they started moving around too much and waking each other up, so it was time for their own cribs. I would recommend having two pack-n-plays though instead of the one large one for twins. You would only be able to use it for a short time. I started out with just one and ended up going and buying another. It is great to keep them together, but they will get to the point where it isn't possible. Ours have always shared a room, but that became difficult during naptime as they got older, so we would set up the pack-n-play in our room for one. Good luck!!!