Monster Seal Tyre Sealant is a proven, trusted and tested product providing the ultimate protection against flat tyres and under-inflation. It can be used in both tubed and tubeless tyres, lasting for the lifetime of the tyre. It will not corrode or harm your wheel or tyre. Monster Seal will seal quickly and effectively holes up to 6mm (1/4") in diameter in the tread area of tubeless tyres.
Available in three different sizes: 237ml, 473ml and 3.8 litres.