I have an older version of this one. Burying the bags is not a issue and they are biodegradable. It packs up small also.

TRIPTIPS Portable Toilet Foldable Toilet for Car Camping Toilet Travel Toilet Portable Toilet for Camping https://www.amazon.com/dp/B07DZS5XRY/ref=cm_sw_r_cp_api_i_ZRDAEN8AT4W35CHX4C1E?_encoding=UTF8&psc=1