Convert your DEMI Grow Stroller (sold separately) into a twin or double style with this easy to attach sibling seat that's just as comfy and adjustable as the seat that comes with the stroller. The extendable UPF 50+ dream drape canopy with a removable, flip-out eyeshade and rain cover and an integrated mesh ventilation panel protects baby from the elements; adjustable. padded leg rests add support; and a removable arm bar with padding offers a comfy place to lean.