The CocoonX2 is the newest addition to the lineup of Joovy products. The CocoonX2 offers the versatility and flexibility that active families are looking for in great family gear. These days, parents are smart about family purchases and the Joovy CocoonX2 makes incredible sense. The CocoonX2 is a stroller jogger bicycle trailer all in one. The first time I saw this stroller I knew it was the perfect solution for my family. Packed with amazing features and made of high quality materials, the CocoonX2 is the wisest investment for our active family. This multi function stroller easily converts to a jogger and a bike trailer. It simply doesn"t get any better. The CocoonX2 has a cocoon like compartment where my children sit completely content and out of the elements. Entry is through the zippered door that has a cool mesh window for great ventilation and a vinyl window for when the weather is less cooperative. The kids love the two huge windows on either side that allow incredible visibility and views. The interior has two 5 point harnesses and plenty of legroom. Inside, there are two mesh pockets for your children"s take along items. The CocoonX2 has a two position adjustable handlebar to accommodate my husband and me. The CocoonX2"s pneumatic swivel front wheels offer super maneuverability. The full size 20" pneumatic rear wheels offer a super smooth ride for your passengers and cargo. To convert the CocoonX2 to a jogger, remove the two swivel front wheels and attach the fixed jogging wheel (sold separately). Parents are raving over the extra large storage area that has a zipper open/close. There is plenty of room for all of your cargo. The CocoonX2 is 31" wide and accommodates two fifty pound children – maximum weight is 100 pounds. The single Cocoon will carry one child up to 60 pounds (27" wide). The Cocoon and CocoonX2 fold up compactly and are easy to store.