New England Ropes Utility Cord

CampSaver.com says:
New England Ropes Climb Poly Cord 1/8in 50FtBlue/Yellow Blue/Yellow NER26415. Polyester resists water has less stretch has super vibrant colors and has greater UV resistance. Polyester is also more durable than nylon and its lower stretch offers more abrasion resistance. The Polyester Accessory Cord carries UIAA 102 and EN 564 certification.