Ideal for selling advertising space on both sides as a profit center or to advertise in-house specials and promotional sales. No tools are required to change the advertising inserts. Unique installation discs accomodate virtually any spacing in wire or molded shopping cart openings making this frame suitable for most shopping carts. Resistant to cold and rain, this frame is made of shatterproof plastic. Available in red or black. This frame displays posters 8-1/4" x 11-3/4" graphics.