This two-sided, desk divider, mountable sneeze guard measures 18 length x 21 width x 30 inches height. It is made of clear plastic and is 1/4 inches thick. It weighs 12.58 pounds and is made for tables that measure 18 length x 21 inches width. It does not have a pass-through and does not include mounting hardware. This sneeze guard comes in a pack of six.