Kolcraft Contours Car Seat Adapter for Britax B-Safe 35 is an adapter to attach Britax B-Safe 35 infant car seats to Contour strollers. Make the transition from stroller to car seat easy. This car seat adapter works with Contours singleanddouble strollers. Compatible with Contours Bliss, Options, Options Elite stroller Quick and convenient click-in adapter for easy in and out Designed for the following infant car seats: Britax B-Safe 35 Britax B-Safe 35 Elite Compatible with the following Contours Strollers: Contours Bliss (ZL024/ZL027/ZL030) Contours Options LT (ZT014) Contours Options (ZT017) Contours Options Elite (ZT015)