Slime Smart Tube 20 x 1.50 - 2.125 Schrader Valve

These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside

• Seals multiple punctures repeatedly
• Extra strong with Slime sealant inside
• Instantly seals tread area punctures up to 3mm in size
• Non-toxic and non-flammable
• Cleans up with water
• Prevents flats for 2 years