Sampling Square, Fold-Up Quantify the results of your field study with our folding sampling square. This plastic device cleanly and quickly marks off either a quarter meter square (0.25 meter squared) or a full meter square (1.0 meter squared) on land or in water. It snaps open with a durable shock cord inside the PVC legs. Connections are made with T-connectors which allow the frame to sink in water. Collapsible for transport and storage. Comes with instructions. Qty :