Neon Paracord Survival Necklace Neon Green, Black Light Reactive, 7 Strand Parachute Cord 550 Paracord Construction: nylon sheath with 7 inner strands. Single strand construction, holds up to ten + feet of paracord. Black, low profile break-away plastic buckle (20 lbs force). Neon necklaces are blacklight activated; they glow under blacklights! Made in the U.S.A.!