Formerly known as SOLARPRISM GREENHOUSES, SIMPLY SOLAR SMALL GREENHOUSES are a unique design, GOTHIC ARCH shape and are a one piece construction with 90% UV blocking agents built right in to prevent plant shut down or burning plants. Simple, efficient and durable, they also come with a 10 year warranty. They allow you to grow at triple the space because of the one piece design. That is something no one else can offer on the market today. Whether it be for personal organic vegetable gardening or commercial growth..we can meet all of your needs.