Like any product made of real wood, Creative Playthings swing sets require regular maintenance. From our factory in Virginia, every Creative Playthings swing set comes stained and sealed. We use a high quality Sherwin Williams water repellent stain which will penetrate wooden components of your set, protecting them from nature's harshest elements. However, just as you would a deck, it is recommend that you restain and seal your investment every year to ensure your playset stays beautiful for years to come! Here are some more great tips for keeping not only your swing set, but any outdoor wooden furniture looking great! Check out our list of specially formulated stains for all your playset maintenance needs.