Features: Heat mat distributes the heat uniformly to the surface of the substrate. Ultra thin design with maximum flexibility. Grid structure ensures excellent and even heat dissipation. Built-in thermostat, safe and balanced temperature distribution. With a adjustable switch, adjustable temperature ranged 0-35 degree. Good to stimulate appetite and improve dyspepsia. Easy to wash, convenient and practical. Can be used inside or outside of incubator, also can be used in water for a short time. Suitable for tortoise, snake, lizard, gecko, spider, etc. Specification: Type:Warm Heater Color:Black Quantity:1pc Item Size: 28W 53*28cm/20.8*11"(L*W) 20W 42*28cm/16.5*11"(L*W) 14W 28*28cm/11*11"(L*W) 5W 14.7*14cm/5.8*5.5"(L*W) Net Weight: 180, 168, 155, 98g/ , 6.4, 5.9, 5.5, 3.5oz Package: 1*Warm Heater