Product Option: Rectangle White Reflective Outside Parking Permit Decal (2"x3 1/2") - Keep things clear and make sure everyone stands out in the parking lot with this white reflective rectangle outside parking permit! Applied inside windows for parking regulation, it measures 2" x 3 1/2", is made of white reflective material and features self-sticking permanent adhesive. It's perfect for use on bumpers, outside of windows or on the back of rearview mirrors. Numbering is available for extra security and control, and the sequence starts with 001 unless otherwise specified. There is no guarantee against skips or repeat numbers.