These are great tyres with kevlar puncture belt, and they last ages.
Usually over £30 a pair but they are on clearance here for £6.50.
Cheapest i can find them otherwise is on sale for £8.99.
A high quality puncture protected training tyre featuring diamond tread and Silica Compound for good adhesion on dry or wet roads.
700x20 Blue, 700x23 Blue, 700x23 Red, 700x23 Yellow, 700x23 Black