From website: The Dreambaby® Adjusta-Car Shade® is flexible and easy to instal and use. It can be stretched and shaped to suit your individual car window and then can be folded away when not in use. TRETCH-IT, SHAPE-IT, FIT IT™ Easily stretched to fit almost any shape of car window Unique design, quickly creates shade Easy-grip, strong suction cups Can be easily folded away for simple storage Fits from 33 x 46cm / 13 x 18in to 46 x 69cm / 18 x 27in