Recycled caskets

Hi,

Once a body is put into a casket, no one else may benefit from it. However, where a family buys a casket and a body is placed in it, and then the family decides to use a different casket, that first casket may be used for someone else. The reason is that the casket must be buried anyway, like other items from which one may not benefit. However, the second family may not provide any sort of payment or recognition for the first family, lest that constitute illegal benefit.

(Rav Moshe Feinstein, Igrot Moshe Yoreh Deah 1:244)

Have a good day,
Mordechai