Weldtite:  Dr Sludge Puncture Protection Tubeless Sealant (250ml)Our specially designed tubeless sealant is a synthetic and allergy-free latex formula, strong enough to instantly seal punctures in high pressure tubeless tyres. The new lightweight sealant lasts longer than traditional brands and is guaranteed to outperform the competition. - Works in temperatures from -14°C to 45°C- Lasts 3 to 9 months dependent upon conditions- Seals holes up to 3mm in diameterDr Sludge Puncture Protection Sealant (250ml)Protection sealant to provide ongoing prevention against punctures in tyres.Environmentally friendly water based formulaAlso for use on trailers, wheelbarrows, golf carts, etc.Suitable for Schrader type and other valves with removable coresCore removal tool included with easy applicator nozzle