Strong & soak proof. Compare to Hefty(Hefty is registered trademark of Pactiv Corporation. This product is not manufactured or made under the authorization of Pactiv Corporation or any subsidiaries). Great products. At a price you'll love. That's Essential Everyday. Our goal is to provide the products your family wants, at a substantial savings versus comparable brands. We're so confident that you'll love Essential Everyday, we stand behind our products with a 100% satisfaction guarantee. This product, when properly incinerated, produces harmless carbon dioxide and water with no ash residue. I is inert a landfill and does not contribute to ground water contamination. No Chlorofluorocarbons (CFC’s) have been used in the manufacture of this product.