RV blackout shades are made of Waterproof Sturdy Premium 2 Layers Oxford fabric,Super strong Velcro Stickers,Durable to last longer in the sun,Keep the interior cool in summer,Sleep better on RV trips. RV skylight window cover has 4 Ways to Fold,The camper vent insulator is designed with velcro so that you can freely fold up the shade as your needs, Rv roof vent shade provides a comfortable RV interior and complete protection of your privacy. Simply stick the velcro tape to the RV skylight or camper vent interior and attach the RV vent cover to the velcro can finish installation.Does not leave any residue when removed.No glue and no damage to your camper.fit for most RVs, speedboats, houses, ect. Product size Eegular style: 41cm*41cm Extended style: 41cm*62cm NOTE: CHECK dimensions to see if it fits your window before you buy! Package list 1 x RV Vent Blackout Shade 4 x Velcro Sticker 1 x Oxford Bag _x000D_