Transform your J is for Jeep Brand Jogger into the perfect travel stroller with the J is for Jeep Brand Jogger Car Seat Adapter for Britax B-Safe 35 Car Seats. This accessory allows you to easily attach Britax B-Safe 35 Car Seats (sold separately) to the J is for Jeep Brand Jogger (sold separately). Designed for fast and easy installation this adapter simply clicks into the car seat s existing child tray and allows you to keep your baby facing you as you walk or jog. About J is for Jeep Brands: Since 1941 the Jeep brand has been a symbol of freedom and expression. Influenced by a love of the great outdoors. J is for Jeep Brand products are created for life s little adventurers.