Elegant and Inspiring Premier Acrylic Plaques. Border Acrylic Clear-Plaqs are 3/8 inch thick and include a self-adhesive plaque hanger. They come in 3 different sizes and 7 colors- Solid Black, Blue Marble, Purple Marble, Black Marble, Green Marble, Red Marble and Stars & Stripes. They are easily customizable by either rotary engraving or laser engraving.