MT Displays Wall Mount Clear Acrylic Frame with Standoff and Magnets for 11" x 17" Poster Size Silver brushed 5 (USMS0D0017X2000) EachClear sign holders are great for images, brochures, advertising pamphlets etc. Wall mount clear frame is made of acrylic. You can easily change your signs from the sides and top of the display. \n \nStandoff mount acrylic frame are made of the finest materials while providing the highest level of quality and durability. It is versatile, serves a lot of purposes, and can be put in many different places. Its perfect for use at banks, schools, colleges,