Features: Heat mat distributes 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 for safe and balanced temperature distribution. Adjustable switch with temperature range of 0–35°C. Promotes healthy activity and well-being in reptiles. Easy to clean, convenient and practical. Can be used inside or outside of an incubator; may be used in water for short periods. Suitable for tortoises, snakes, lizards, geckos, spiders, and other reptiles. Specifications: Type: Warm Heater Color: Black Quantity: 1 piece Item Size: 28W 53*28cm / 20.8*11 in (L*W) 20W 42*28cm / 16.5*11 in (L*W) 14W 28*28cm / 11*11 in (L*W) 5W 14.7*14cm / 5.8*5.5 in (L*W) Net Weight: 180g / 6.4oz, 168g / 5.9oz, 155g / 5.5oz, 98g / 3.5oz Package: 1 x Warm Heater