Professional manufacturer of Tyvek flags 1. eco-friendly 2. waterproof 3. tear-resistant 4. light weight&full print With plastic poleTyvek combines the best properties of paper, film and fabric-strong & durable-water-resistant-breathable -chemically non-reactive-lightweight-easy to print-smooth and silky-100% recyclabletyvek is water-proof, chemically non-reactive, antiseptic and mouldproof. ...