I have a City Select double and got 2 trays with it. I really like the trays. They swivel out in some which helps get my daughters in and out of the seats. But, in some positions, they can't swivel either because the other seat is in the way or because the clip on the side of the tray is blocked by the side bar of the stroller. I do like them though and am happy I got them. When I don't want to use one or both, I can just unclip the tray and either throw it in the back of my car or in the basket of the stroller.