David D.wrote a review of Cutter 26in Premium MTB Tubes - 4 Pack on October 16, 2013
Familiarity: I've used it once or twice and have initial impressions
The first one didn't hold air for more than 24 hrs. without even riding it. The second one lasted three rides before a slow leak developed. The third one lasted about 30 seconds before completely losing air. The fourth one I threw in the trash. I wouldn't use these again if someone gave me a case for free. But unfortunately sending them back will cost more than I paid for them.