NuDell 8" x 10" L-Shaped Slanted Sign Holder - Self-Standing Ad Frame, Clear (35481) Free-Standing, angled stance Sign Holder - perfect for signs and ads. Unbreakable crystal clear plastic construction. Slanted sign holders are perfect for restaurant tables, countertops, lobbies, break rooms. Insert your own 8" x 10" sign to create an instant, self-standing slanted sign.