> Tires are rubber, > many textiles are polyester Rubber can be natural or synthetic, and the synthetic rubber is a plastic polymer. Tyres use a mix of natura

> Tires are rubber, > many textiles are polyester Rubber can be natural or synthetic, and the synthetic rubber is a plastic polymer. Tyres use a mix of natural and synthetic rubber. Polyester can be natural, but it's often synthetic. Synthetic polyester is not biodegradable. A lot of polyester clothing uses synthetic polyester.