Are they suitable for long camping trips? This camping toilet bags is 6.1 in x 2.16 in/roll, 20 bags per roll. And the eco absorbent gel comes with a carry bag for converience and portable. Do they effectively control odors during use? The absorbent gel eliminates odor from portable toilets and gives off a light lemon scent. Are they compatible with most portable toilet models? Blika portable toilet replacement bags fit a 5 gallon bucket toilet seat, portable toilet, porta potty for camping and more. Compatible with all major brand camping commodes and portable toilets and toilet seats. Are the toilet bags opaque enough to hide contents inside? This black toilet replacement bags si durable and thick enough to hide contents inside. Do bags contain any environmentally harmful additives? The portable toilet bags are made from plant starches and do not contain polyethylene. It takes about 30-180 days for this toilet bag to be degraded in the soil.