A shelter includes: at least two side walls; a back wall; and a roof, wherein the side walls, the back wall, and the roof comprise a material that is weatherproof and insulated, and wherein the shelter is collapsible, detachable, and portable. The shelter can also include at least two side walls, wherein an upper end of the at least two side walls conjoin to form a roof. The shelter is lightweight, detachable, and portable. The shelter can be weatherproof and insulated for permanently or temporarily housing people and/or animals. The shelter can be transported to a desired location and assembled on-site with ease. When the use of the shelter is no longer desired, the shelter can be quickly disassembled and transported to another location.