The KOVOT Extension Cord Safety Cover Protectors are a safe way to protect against electrical shock and tripped outlets. This 4 pack of black cord protectors will keep your cords tight together and dry - a necessity during the winter and holiday season. They are ideal for indoor our outdoor Christmas Tree lights and outdoor light shows. They are made of durable commercial grade plastic and have a rubber safety seal. For Indoor And Outdoor Use. Buy More, Pay Less! Available as a 2-Pack or 4-Pack.