These impressive solar-powered string lights will make your outdoor decorating easier and more festive than ever. Each string of bright solar-powered LED lights has a solar panel that stakes into the ground and includes 1 rechargeable battery. Plastic. Available in three colors – choose white, blue or multi-color. Sets are available with 150 lights or 300 lights.  Available either as a 150-Light Set (30-feet long), a 300-Light Set (58-feet long), or a 500-Light Set (41 1/2 feet long).