Large biodegradable pots can be used as urns for ashes. After putting into the ground, 12 months and more the pot will biodegrade and the ashes merge with the soil.
https://biodegradable-pots.com/ Biodegradable Urn 
https://biodegradable-pots.com/ Biodegradable Urn 
https://biodegradable-pots.com/ Biodegradable Urn 
https://biodegradable-pots.com/ Biodegradable Urn
Engrage name, etc. forever into the eternity on your natural urn:
