Make strolling with your Britax car seat a breeze with the convenience and peace of mind of the quick click-in Britax car seat adapter. Designed specifically for the Britax B-Safe, B-Safe 35, B-Safe 35 Elite and Endeavors, this adapter works with the Contours Legacy®, Contours Curve® V2, Contours® Options® Elite V2 and Contours® Options® strollers. And if you have twins, you can purchase a second adapter to attach two car seats to your stroller (note: the Contours Legacy can only attach one).  See the list of compatible strollers and infant car seats below.