Tannus tyres: is this the end of the road for bike punctures?
Tannus Shield Flat proof bike tire
Tannus Tyres | Nip Nip: London Mobile Bicycle Repairs Mobile Bicycle Repair & Servicing in London | Electric Bikes
Amazon.com : Tannus Unisex's Armour Puncture Round Protection, high Grip with Low Rolling Resistance, Easy Assembly, Reusable, Free tyre and Tread Selection, red, 20 x 4.0-4.8 : Sports & Outdoors