Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Broken Bands

I love this system, however within less then 3 months of using it I have had two bands snap mid-workout. I have been working out in sneakers, on a soft mat, and am only 5'4 ....so I do not understand why this keeps happening. I want to keep using the system, but I do not want to have to replace the band every few weeks.