This listing is for one alternative design quality replacement tyre inner tube suitable for Phil Teds Prams / Pushchairs fitted with 12-1/2" tyres. (Will fit Explorer, E3, Sport, Dash, Classic Navigator- NOT VIBE or DOT) To reduce the risk of punctures, the heavy duty inner tube is pre-filled with a sealant that in the event of a puncture automatically seals the hole. This provides ongoing prevention against punctures and instantly seals punctures up to 3mm in diameter. The sealant is an environmentally friendly non toxic water based formula. - Suitable for all surfaces with low rolling resistance - Size: 12-1/2 x 2-1/4 (62-203) - Tread pattern: Hard wearing Off Road - Recommended Pressure: Max 35 PSI - Tube: 45 degree angled valve inner tube for .