VELCRO® is a registered trademark of Velcro BVBA. Used with permission. One-Wrap® Brand Continuous Tape. Flame retardant. Polyethylene hook integrally fused with nylon loop - no delaminating. Will not over tighten, ideal for fibre optics. One-Wrap® brand continuous tape is flame retardant certifiable-suitable for cabinets and ‘Plenum ‘ air spaces.