Schwalbe Marathon G-Guard 20x1.75" Wire Tyre

The pioneer in puncture protection, mileage and environmental friendliness
This bicycle tire offers robust puncture protection with GreenGuard technology. It's one of the most environmentally friendly options, made entirely from Fair Rubber, and comprising 70% recycled or renewable materials. It's the first and only tire with carbon black from recycled bicycle tires (rCB), and it's 98% pollution-free. The tire features a modern sporty tread design and is suitable for both bikes and e-bikes.

Greenguard
The puncture protection layer under the tread is made of 3mm flexible, special India rubber. Partly from recycling. Particularly reliable protection.