Adelphus Premium 8.5" x 11" Acrylic Sign Holders Ad Frame, Slanted Back 3-Pack, Extra Thick HIGH QUALITY: Made of high-quality acrylic with 97% transparency and 3mm thickness STURDY & STABLE: Sturdy and does not easily fall over or break. MULTIPLE PURPOSES: Use it as a sign holder for the store, recipe holder for the kitchen, or a photo holder around the house EASY SIDE LOADING: Switch signs easily by sliding in or out from the sides. 100% MONEY-BACK GUARANTEE: Purchase worry free.