Made of plasticFits in the corner of a cage or reptile terrariumSafe to use for either water or foodDurable enough to endure any abuseAvailable in a variety of sizesAbout Zoo Medical LabratoriesZoo Med is the number one company for reptile products worldwide. They introduced the first American reptile vitamin in 1982 and today hold 8 reptile product patents and 9 aquatic product patents in the USA and internationally with more pending. Zoo Med invented UVB lighting for reptiles, back in 1993 and which since has become the standard worldwide for Zoos, Veterinarians and the reptile hobbyist. A wide variety of products make up the Zoo Med family including quality products for reptiles, amphibians, fish and birds. Made of plastic. Fits in the corner of a cage or reptile terrarium. Safe to use for either water or food. Durable enough to endure any abuse. Available in a variety of sizes.