Models - Blue : RTL10266BL-HS - Champagne : RTL10266CH-HS - Handle height easily adjusts with unique push button. - Back support height easily adjusts with tool-free thumb screw. - 10" front casters allow excellent steering and rolling comfort. - Easily folds with one hand to ultra-compact size for storage. - Durable and comfortable firm seat separates allowing unit to fold. - Handsome and removable deluxe zippered storage bag with unique attachment to keep bag securely in place when Nitro is open or folded.