I was expecting much better performance, I've been plagued by punctures on my route to work and bought this to hopefully reduce their number.
They day after fitting I got a puncture on the way home from a small sharp stone. the only difference between this tube and a normal one was that repairing the puncture in the slime tube entailed getting green stuff all over me!
Really useful and work great. I cycle to work along a towpath and has been very useful, especially when hawthorn hedges have been cut. Would highly recommend.