Want to avoid plastic fabrics? Concerned that natural fabrics aren’t waterproof? You can waterproof your natural fabrics with wax. This is a diy waxed fabric roundup. Introduction Synthetic fibres like nylon, polyester, polyurethane (PU) and polyvinyl chloride (PVC) aren’t biodegradable. Natural fibres like cotton, linen, wool, and silk are biodegradable. Natural fibre are also breathable …