Azar's NEW CLEAR adjustable Tri-Fold counter acrylic shields provide protection against sneezes, coughs and germs between employees and customers, teachers and students. Ideal for schools, libraries, offices, supermarkets, pharmacies, hospitals, stores, banks, airports, and reception desks. Or use anywhere to social distance and limit contact with third parties. Ships Flat. Sits on counter and middle panel can be adjusted upward to have a pass through. This allows for up to 6” pass through space on the bottom for transactions or make flush with the counter. The middle acrylic panel can also be positioned vertically to create a taller front barrier. To assemble, adjust middle panel height to your needs and slide into place using the included plastic channels, no tools required. This plastic plexiglass shield is an optimal solution to be used as a protective cashier screen, sneeze guard, cash wrap protector, germ barrier. Available in 4 sizes. Protect your employees and faculty from sneezes, coughs, and germs. Add on item (not included): To secure in place on your desk, counter or tabletop add item#700043-CLR 4” T-Sign Holder with adhesive tape, or item #700033-CLR 8” T-Sign Holder with adhesive tape.