Flexible & Translucent Acrylic Signs from HRS Advertising. Discover high-quality acrylic signs that mimic glass. Elevate your business visibility with HRS Advertising’s innovative solutions. Acrylic signs are made from a flexible, translucent polymer that mimics the appearance of glass. The most common uses include internal signs in office settings such as room plaques and number signs. Unlock the Power of Acrylic Signs for Effective Communication.