Camco RV Cream Retractable Lights Out Vent Shade prevents light from shining into RV sleeping quarters at night. Easily mounts to ceiling and retracts into the space-efficient housing to allow light inside during the day. Opens to 14-1/8" x 19". Durable, lightweight vinyl’s reflective finish reflects heat to keep RV cool. Easy installation Reflects heat to keep the RV cool Opens to 14-1/8" x 19" Prevent light from shining into RV at night Easily retracts to let light in during the day