An useful cycling accessory for cyclist.Material: PVCSize:(approx)for 700C Tyre, 18mm Widthfor 26 inch Tyre, 20mm Widthfor 27.5 inch Tyre, 20mm Widthfor 29 inch Tyre, 20mm WidthColor:YellowQuantity: 1 pc

• Prevent puncture by glass, thorns, nails.
• Protect your tube, extend the life of tire.
• Durable and lightweight, has strong anti-pressure ability.
• Adds to bike safety, gives bicycles a smooth, stable ride.
• Easy to install, just place it between inner tube and wheel.

Prevent puncture by glass, thorns, nails.UNIHA