Amazon offers the Chicco KidFit 2-in-1 Belt Positioning Booster Car Seat in Purple, model no. 04079014150070, for $79.99 with free shipping. That's tied with our November mention of another color and the lowest total price we could find today by $15. This car seat converts into a backless booster seat. It features DuoZone 10-position head and shoulder side-impact protection, a SuperCinch latch attachment and tightener, foam-padded seat, 2-position backrest, machine-washable seat pad and armrest covers, two soft-sided cup holders, and weight capacity of up to 110 lbs.