Product Option: Square White Reflective Outside Parking Permit Decal (1 3/4"x1 3/4") - Use this square outside parking permit keep your company lot safe and organized! Applied outside for parking regulation, it measures 1 3/4" x 1 3/4", is made of white vinyl 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.