NATURALY Dried and Aged Teddy Bear / Chain Fruit / BuckHorn / Staghorn Cholla wood Thick 2-3” diameter, Fertilizer and Pesticide Free, Completely safe for all our animal friends, Shrimp, Attaching Plants / Moss, Hermits, Geckos, and all kinds of critters. Awesome Aquatic Cholla Lowers and buffers pH naturally while Creating a natural microfauna biofilm that is beneficial to animals and overall tank stability. Cholla’s natural skeleton-like structure Works both in Terrarium and Aquatic enviroments its great hiding holes for climbing or hides for babies and other critters, Can be used for all your animals. Great for Air plants TOO. Ready for use or it can be boiled/soaked to remove excess tannins. Every piece is Unique and individual in structure and shape as nature intended, Cut to length as specified in listing.