BabyAge Rakuten Shopping offers the Safety 1st Chart Air Convertible Car Seat for $100. Apply coupon code "MASTERPASS30" and check out via MasterPass to cut the price to $70. With free shipping, that's the lowest total price we could find in any color by $16. Features include a five-point harness with three buckle locations, lumbar body pillow, and removable cup holder. It accommodates children from five to 40 pounds in the rear-facing position and from 22 to 65 pounds in the front-facing position.