Flex Seal
Consumer Report
Ordered 1 can for $19.99 s/h (which so happens to be a $20 charge). Offer states FREE 2nd can - just pay additional process/handling. I fell for it. No charge for 2nd can but the s/h is an additional $39.80! So instead of getting 2 cans for $19.99 a sane s/h charge of $10-15 for a total of $30-35, ...