If hung in a protected area outdoors (such as under a roof), these birdhouses will last for years. If placed in direct sun, colors will begin to fade over 2-3 months, but they will retain their shape for more than a year in fully exposed weather. Made of naturally water-repellent sheeps wool; Moisture from rain or snow will wick through the felt and around the nest, and will air-dry since wool naturally breathes. Also, wool is thermal; cool in the summer and warm in the winter. Do not put in washing machine or dryer. If cleaning is needed, spot clean with water and mild soap, then rinse and air dry. Made with sustainable-harvested materials including natural sheep's wool, crocheted jute hanging cords and a hand-carved bamboo perch; All work is done by hand by artisans in Kathmandu, Nepal, who are paid a fair wage and work in a clean, safe and environmentally responsible workplace that meets international social compliance standards. Your purchase supports artisans in marginalized communities, most of whom are women, and empowers them to earn a sustainable living through Fair Trade. Fair Trade is so much more than a product assortment. It's about safe workplaces, fair wages and community investment for factory employees. Fair trade aims to combat this widespread poverty by providing opportunity for economically disadvantaged producers. As fun as they are functional, these adorably crafted felted wool birdhouses are the perfect little tiny houses for birds such as wrens, nuthatches, and chickadees, giving them a safe place to nest and rest. Birds such as titmice may also use parts of the wool to add to their nests.