POLICE OPTICAL VPLB30 Eyeglasses TORTOISE-568 51mm features real-world value. Here’s a closer look: POLICE OPTICAL VPLB30 Eyeglasses TORTOISE-568 51mm Explore specs and images: POLICE OPTICAL VPLB30 Eyeglasses TORTOISE-568 51mm. To get 10% discount use the coupon code VSC10.