Sellstrom S97710-1 Cepro Vinyl Welding Curtain with Snap Fasteners, 6'H x 6'W, Transparent Orange Cepro Series curtains offer the best possible protection for bystanders in welding areas and meet EC-1598 the highest standard in this field as well as NF P 92-503 "M1" the combustion classification; non-flammable material Each curtain is supplied with sealed eyelets every one foot (12") along the top, and every two feet ( 24") along the bottom The curtains also feature 5 snap fasteners down each side for interconnecting two curtains together; allows multiple curtains to be added as required to form one long curtain All curtains are transparent which ensures bystanders and supervisors a good overall view of the work area and welder from the outside looking in Each curtain is provided with 7 steel suspension rings for quick and easy installation from a 1" tube