The perfect accessory for growing families, the Nuna DEMI next Sibling Seat allows you to easily transform your single Nuna DEMI next stroller (sold separately) into a double stroller without compromising style or functionality. Crafted from premium materials, this sleek black add-on seat has an easy-to-use harness system that keeps little ones securely fastened with a self-guiding magnetic buckle. The rugged, all-season seat features a one-hand, 4-position recline plus adjustable calf support to keep kids comfortable. A removable zip-to-extend protective UPF 50+ canopy shields riders from sun and wind, while the Sky drape mesh canopy cover offers added protection from the elements. Suitable for babies and big kids alike, this seat's simple and innovative design makes it easy to stroll as a traveling twosome.