Window Bubble is manufactured by Dilworth Manufacturing Company to provide security for unsafe window wells. We offer metal window well covers, wood window well covers, and custom window well covers. Dilworth Manufacturing Company's patented Window Bubble offers security, protection, and insulation to your window wells. The Window Bubble is customized to fit a variety of window sizes, and comes in wooden and metal varieties to suit your needs. The Window Bubble protects your window wells from harsh weather, dirt, and debris that collect over time. It also keeps animals and even burglars out of your home.