If you are an adult child you can buy burial insurance coverage for them because you as a child have an insurable interest in your parents.
If they were to pass away, you may have to pay for their burial and funeral costs if they did not have any money available to pay for them.
There are several insurance companies that offer burial insurance for seniors.
For instance, one highly rated insurer offers people age 45 to 85 up to $25,000 of guaranteed acceptance burial insurance with no health exam required and no health questions asked.
If your parents are age 45 to 85 they cannot be turned down for coverage, even if they have pre existing health conditions.
Here's how to purchase burial insurance for your parents.