This warranty covers any deterioration in the cell-structure of the latex that causes the mattress to have a visible indentation greater than one half inch, not associated with a sag in the foundation, box springs, or platform. It also covers any physical flaw in the mattress that causes the material to split or crack despite proper usage and handling. This warranty is valid only to the original purchaser of the product. All transportation costs are the responsibility of the purchaser and are additional to any prorated charges. If you did not purchase the mattress directly from Natural Latex International L.L.C., you must provide proof of purchase for any warranty claim. You may contact Natural Latex International L.L.C. Customer Service Department by calling 1-248-670-0303 or writing to Natural Latex International L.L.C. at the address above. Natural Latex International L.L.C. is not responsible for any damage caused to the mattress by spills, burns, accidents, or other acts of nature. This limited warranty gives you specific legal rights. You may also have other rights that vary from state to state.