Many are made of plastic which will take many hundreds of years to decompose in a landfill. Even bags that assert to be biodegradable usually will not likely break down except under extremely rare and specific conditions. The bags are somewhat smaller than a number of the Other folks https://pet-n-pet-dog-poop-bags84950.bloggip.com/28494200/a-secret-weapon-for-poop-bags-dogs-biodegradable