you take a bucket, a section of pool noodle, a trash bag DIY Homemade Porta Potty. make your own potty bucket liner with trashbag, slip the slit pool noodle over the edge for a toilet seat and attach a roll of TP to the metal handle.
DIY Project: Homemade Camping Toilet Camping trips are a bit more comfortable when you bring a composting toilet.
25 Portable Camping Toilet Compostable Biodegradable Bags Outwell Kampa Sunncamp in Sporting Goods, Camping & Hiking, Camping Hygiene & Sanitation, Portable Toilets & Accessories
Make your own DIY camping toilet - easy and cheap