About this item 4 Heating Mats: the package includes 4 heating mats, each measuring approx. 10 x 20 inches /25.4 x 50.8cm; Because the product is rolled up and packaged, some folds will be produced, and the product can be restored to flat after heating Temperature Adjustable: the heat mat for plants is equipped with a temperature regulator, which can be adjusted by turning the button to create the ideal environment for germination Durable Material: the outer layer of the seed germination heat mat is made of PVC material, soft but strong, not easy to wear and tear; Double insulation design and waterproof surface is easy to clean and scrub Uniform Heating: these waterproof heating pads use an enhanced heating film to ensure uniform heat dissipation, providing a constant temperature environment to promote seedling germination without burning the seed roots Widely Applied: the heating pad for plants indoor are not only for promoting the growth of vegetables and plants, but also for reptiles, milk, yogurt, tea and so on; Suitable for indoor use, greenhouses and growing tents to help you create a healthy and abundant garden