Riare 4LBS Expanded Clay Balls Terrarium Substrate for Reptiles - 100% Organic Lightweight Clay Pebbles Substrate Frogs False Bottom Substrate, Bioactive Terrarium Substrate for Drainage and MoisturePackage Included: You will receive 4 lbs expanded clay terrarium substrate for reptiles, about 4 16 mm in diameter, which packaging is a resealable foil pouch for long term storage and use. The Leca clay ball is degradable and can be placed garden when you're done with it, it's not only excellent bedding for tropical terrariums and palm tanks, also a great medium for plant root growth in tank Natural Organic Clay Pebbles: Our frogs false bottom