Say goodbye to flat tyres with Muc-Off Inner Tube Sealant. This high-performance sealant stops punctures up to 4mm, keeping your ride smooth and uninterrupted. With cutting-edge molecules, it quickly seals holes so you can keep going without a hitch. Lightweight and compatible with Schrader and Presta valves, this sealant is designed for versatile bike types from MTB to commuter.Key Features and Benefits:Seals punctures up to 4mm: The advanced formula seals punctures up to 4mm in diameter. This ensures maximum protection, allowing you to keep riding without worry.Water-based, non-hazardous formula: Our unique formula is non-toxic and ammonia-free. It s safe for the environment and your inner tubes, providing long-lasting puncture protection.Lasts the life of your inner tube: One application provides continuous protection for the life of your inner tube. Save time and money on frequent replacements.Anti-corrosion inhibitors: Prevents rust and corrosion within your inner tube. This helps