For Outdoor Use To retain the finish, we recommend periodic application of a sealer such as clear polyurethane Otherwise, left outside glass will oxidize naturally Found Wood Driftwood is collected from the beach and forests, leaving local resources unharmed Each piece is naturally weathered and unique Package include 1piece sea glass wind chimes for outside For Indoor Use as a sun catchers or wall decor Place in a window for a beautiful stained glass effect Handcrafted by skilled using sandblasted glass in unique and bright colors Pleasant, gentle sound Powder coated to protect finish