Mobile Cart Snap! Clamshell Portable Kiosk Short-Term Solutions No longer defined by four walls and a lease, temporary retail is getting the attention it deserves. Pop-up shops are more popular than ever, offering great opportunities to move your merchandise. We believe that pop-up retail systems must be adapatable to all the unlimited shapes and sizes of temporary spaces. We tailor our display solutions specifically to your needs - with the durability, flexibility, and mobility found in all of OPTO's modular systems.