Outdoor breathable rugs will not kill the grass and are allowed by virtually all campgrounds.  A rug will enhance your outdoor living area while helping to keep the dirt, sand and grass out of your coach.  These rugs are easily kept clean by sweeping and simply can be hosed off to get rid of the dirt.  Normally you will need to hose them off only once or twice a year unless you get into a muddy area.  When that happens, simply put some liquid laundry detergent on it, swish it around with a broom and its clean!  Since these rugs are made with a PVC coated polyester yarn, they do not hold water; so, when it rains they are dry in about fifteen minutes (unless you are in a puddle!).  NOTE: Shipping charges will be added based on weight and destination.  If you are using PayPal there will be two charges on your credit card...one for the actual item and the second will be for shipping.  To be fair to our customers, we charge only actual costs to ship the item being purchased and therefore we are unable to give you and actual shipping costs until we know the item you are purchasing and your destination zip code.  If you like, email us with you destination zip code and the item your are interested in and we will be happy to give you the shipping costs.  Approximate weight is 12 lbs; box size 31x15x6