Arbre de Bois Cholla | LargeCholla Tree Large 18" Dried Cholla wood features a striking hollow structure and intricate, naturally perforated patterns that make it ideal for aquascaping, terrariums, and aquariums. Lightweight yet durable, this wood comes from the Cholla cactus and has been carefully dried to preserve its unique texture. Each piece offers a one of a kind look that adds organic charm to any display. 18". 18"