5m circular heavy duty polyester coated fabric groundsheet that will provide excellent protection against all the greeblies the ground can through up. Will even stop moles (unless they have a switch blade in which case we recommend running away). This is the groundsheet to purchase if you intend to camp all year round or use your tent a great deal during the camping season. Perfect size for all 5m bell tents such as the Ohio, Rio Grande or Ranger.