An extra strong self-sealing bicycle tube, the Slime Bicycle Tube 27.5\" x 2.0-2.40\" Presta instantly seals tread area punctures up to 3mm. Made from non-toxic and non-flammable fabrics, the tube works to stop flat tyres for upto 2 years.Extra strong with Slime sealant insideInstantly seals tread area punctures up to 1/8ӟ (3mm) in sizeSeals multiple punctures repeatedlyNon-toxic and non-flammableCleans up with water27.5\" x 2.0-2.40\"Presta valve stemPre-filled with puncture stopping Slime tube sealantPrevents flats for upto 2 years