2 Pack 20W Reptile Heating Pad Tank Warmer with Temperature Control, Power Adjustment Under Tank Terrarium Heater Heat Mat for Reptiles Turtle, Tortoise, Snakes, LizardADVANCED MATERIALS Made of high quality nichrome heating wire and great PVC material, reach desired temperatures within short time. Safe and balanced temperature distribution, provide gently and durable warmth for reptiles and amphibians, convenient to use in different seasons. EASY TO USE The heat mat is easy to clean, convenient to use and low energy; Waterproof and damp proof, can be used under a tank or vivarium,but please don't use it in water.