Rough ride to work? Debris ridden cycle route? Fed up of repeat puncture and cold hands at the side o the road? Well the Slime tyre inlay is your solution, it's a lightweight and durable strip made from highly resistant polyurethane that fits between the tyre and inner tube, protecting your inner tube from glass, thorns, nails and more. With one pack protecting both your tyres, you can ride safe from punctures with this kit.