A true all-around athlete, the patented design of the ZCA Sport demands attention. Agile. Graceful. Absurdly versatile. And with a light, super-strong aluminum frame and oversized polyurethane wheels (they climb stairs), even school hallways and cracked sidewalks cant slow its roll. Other sweet features A removable, washable bag. Wheels that flash. Tons of custom combos. And yes, a built-in seat. Ready Game on. Warranty covers defects in materials and craftsmanship for up to 1 year. US and foreign trademarks and patents awarded and in process.Install it in place of your regular insert bag in a Zuca Sport.Now you have a rolling carry-all, a pet trasport, and car seat for your animals.The ZuZUCA enables safe transport of your pets in the car, at the mall or down the street.Frame purchased separately. Features: Agile. Graceful. Absurdly versatile. Customize your ZÜCA with one of our many replacement inserts. Show your true colors! A light, super-strong aluminum frame and oversized polyurethane wheels (they climb stairs), even scho