Say goodbye to punctures with Muc-Off Inner Tube Sealant. Muc-Off's patented, non-hazardous, water-based formula has been specifically developed for use with inner tubes and is compatible with a wide range of bike types. The lightweight Inner Tube Sealant is easy to apply and can seal punctures up to 4mm in size, so you can keep enjoying your ride. Whether you're commuting to work, bikepacking, or just cruising on the tarmac, Muc-Off Inner Tube Sealant won't let you down! Puncture protection for inner tubes Suitable for a wide range of bike types, such as Road, MTB, E-Bikes, Urban Seals punctures up to 4mm in size Can seal multiple punctures Does not dry out Uses state-of-the-art molecule technology that seals punctures quickly and effectively Works in temperatures between -15 and +50 degrees Celsius Contains no harmful substances