Biodegradable imatanthauza chinthu kapena chinthu chomwe chimasweka kukhala zinthu zachilengedwe, mpweya woipa, ndi nthunzi wamadzi kuchokera ku zamoyo monga mabakiteriya ndi mafangasi, omwe alibe vuto lililonse ku chilengedwe.
Nthawi zambiri, zinthu zomwe zimachokera ku zomera, nyama, kapena mchere wachilengedwe zimatha kuwonongeka.