freestanding countertop sneeze guard is a quick and inexpensive way to protect your counter or desk area. The simple design can be easily setup in seconds with no tools, hardware or installation. Disassembles just as easily for transport or storage. The 4" high by 10" wide pass through opening is perfect for exchanging payment or items at customer service and sales counters and desks. Made from clear acrylic plastic that protects while providing unobstructed visibility. Line up multiple barrier units to cover larger counter areas.