Absolutely LOVED this stroller.  Used it on my two close to age little boys until the oldest was a little over 4 years old.  I have the 2nd canopy and bar for the front.  I always used the cup holders instead of the bar b/c I had one in a carseat and one not, but the bar is for when you need to lock in two seats.  My favorite part of this stroller is that the oldest child can pick and comfortably ride in the front or the back without being squished! 2nd fav is that the back bottom zips open so even if the back seat is completely laid down you can still put shopping bags in the bottom of the stroller without bothering whomever is sleeping. Very clean, in excellent shape, and from smoke free household.  Here's the Product Description from Toys R Us below for more info:

"The Chicco Cortina Together Double Stroller is the first two-passenger stroller to accept 2 of the #1 Rated KeyFit and/or KeyFit 30 infant car seats (sold separately Item#: 871312). With the same easy click-in attachment as the Cortina, the Chicco Cortina Together Double Stroller takes a car seat in both the front and rear seats so families can travel together easily with 2 infants, 1 toddler and 1 infant or 2 small toddlers. Exclusive, forward-fold front seat accepts the KeyFit or KeyFit 30 infant car seat without the need for attachment bars or straps - no more missing pieces! The rear seat has a full recline for bassinet enclosure, comfortable for napping or to accept an additional car seat. Even with the back seat fully reclined, you have easy basket access with a zipper entrance from behind the stroller. The extra large basket has plenty of storage for all the things your children need. A Sleek & Modern anodized aluminum stroller with a unique tubing profile, the Chicco Cortina Together Double Stroller is 15% lighter than MOST comparably featured double strollers making it easy for parents to go out with the children. Tailored, yarn-dye woven jacquard fabrics and plush padding give children style with comfort. Keeping all the great features parents love in the Chicco Cortina, the Chicco Cortina Together Double Stroller has a one-hand fold, all-wheel suspension, one-touch linked rear brakes, a 5-point harness in each seat, and a freestanding flat fold. Make your outings more comfortable with a height-adjustable handle, multi-position removable canopies, arm bar or 2 cup holders for the child and a parent tray with 2 cup holders and storage compartment. Build your own travel system with matching KeyFit/KeyFit 30 (sold separately). Chicco Cortina Together takes children up to 40lbs in each seat."