These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside. Works in bicycles, wheelbarrows, wheelchairs, jogging strollers, snow blowers and much more. 

• No more flats for 2 years!
• Extra strong with Slime sealant inside
• Instantly seals tread area punctures up to 1/8″ (3mm) in size
• Seals multiple punctures repeatedly
• 700 x 28-32mm Presta