The Slime 10015 Bike Tube Puncture Repair Sealant is a convenient solution for cyclists looking to prevent and repair punctures on their bike tubes. This single bottle of sealant, measuring 237ml, is suitable for universal bike types and is included with one bottle of green sealant. The sealant is designed to not expire and is made of rubber material, providing a reliable and durable fix for punctures. Ideal for cyclists looking to maintain their bike's performance and longevity, this product from Slime is a must-have in any cycling kit.