Camco’s Life is Better at the Campsite Retro RV Tablecloth Clamps help keep your tablecloth in place even on a windy day. The flexible clamps fit tables from 5/16-inch to 1 ½-inches thick. Each features a unique RV-shaped design and measures 4-inches (L) x 3 ½-inches (W) x ½-inch (D). The clamps are made of a durable, UV-stabilized polymer. Quantity: (4) clamps per pack.