1,100% high tenacity polyester; 2, Elongation<7%; 3, Sewing by electronic pattern sewing machines; 1"-4" Polyester Ratchet Tie Down Ratchet tie down are ... and easy to use, and no damage for cargo.1, Material: 100% high tenacity polyester;2, Manufactured to EN 12195-2 AS ... by using edge protectors and sleeves for sharp edges. Good quality 1"-4" ratchet tie down