100% Polyester Great to use in second parents or grandparents' vehicles for easy car seat installation and transition Flip Foot recline for optimal recline angle Bubble level to quickly tell if base and seat are level LATCH connectors for quick and easy installation Lightweight, perfect for use on-the-go ONLY Compatible with the Baby Trend EZ-Lift, EZ-Lift PLUS Infant Car Seats. NOT Compatible with the Baby Trend Ally 35 or Flex-Loc, EZ-Flex-Loc, Secure Infant Car Seats