When choosing an anti-photo license plate cover, trade offs are involved. The covers that protect best and cover all angles are the most obvious, and could get you a ticket in areas where these products are illegal. The "Photo Blur" is the least conspicuous of the anti-photo license plate covers. It is a hard acrylic bubble cover that doesn't require a license plate frame. The cover contains a very thin diffusion lens that blurs the license plate numbers at an angle. The Photo Blur is effective, and hardly noticeable!