About this item Multifunction: perfect for seeding, germination, home-brewing, and pet enclosures terrariums, such as those used in reptile, rodent and arachnid. Durability and safety: Internal insulated wiring for enhanced safety. Heavy duty multi-layer construction, water-resistance that enables safe scrubbing. Reliable results: iPower has a professional heating pad that can keep the temperature at 10 ° F-20 ° F (6 ° C-12 ° C) higher than the surrounding air temperature, making it the best choice for temperature-sprouting seeds. Convenient to use: the mat flattens out when heating up and can also be rolled back up for easy storage. Package include: 1 pack 48″ x 20″ heat mat.