Thunder Buster cassette toilet liners are biodegradable, so they are completely safe to flush into your black tank. They aren’t just for camping toilets either... if you’re on the job site and want to give the boys a hint, they are ideal for use in porta potties too! 

• Place a thunder buster toilet liner into clean cassette bowl. Place seam at rear.  
• Keeps your toilet clean
• This step is “number 2 for a reason”. 
• Run water while you count to 10.  
• Open valve, flush waste and used toilet liner away. 

1 x Pack of 50 sheets – 12 units per box