Use original plastic instead of the recycled plastic for the cup holder, so it will not crack, looks more smooth and last much longerUse Nylon instead of plastic for all the joints, much more flexible for the jointsUse #8 fiber zipper instead of the #5 plastic zipper, much stronger zipper and easier to zip and unzip.Easy Fold, - opens and folds in 5 seconds!Large storage basket and cup holders keep toys, treats, and water bottles handyFront and Rear Entry Top, Front and Rear VentilationMesh Window Keeps Bugs Out Large 6" wheels glide easily over smooth or rough terrain Durable mesh provides airflow, visibility, and keeps insects out Denier nylon is tough and water-resistantOpen Size: 33"(L) x 14.5"(W) x 38.5"(H)Folded Size: 33.5"(L) x 17"(W) x 8"(H)Cargo Measurement: 21"(L) x 13.5"(W) x 20"(H) Weight Capacity: 30LBFree Raincover