Highly conductive copper strands are interspersed to maximize effectiveness - but not so dense as to easily collect dust and particles. Resists breakage, matting, and shedding Self-energizing, induction type (no power needed) static eliminator; does not spark or cause sparks - can be used in hazardous conditions. Effectiveness increases as static increases. 1.25 in. diameter in two 36 ft. coils (72 ft. total) Anti-Static Steltin Tinsel garland is a 1-1/4" diameter copper tinsel with a solid copper wire center that can easily be cut to fit your application. The fine copper strands conduct the static charge from the paper, plastic, and cloth materials that pass over or under the tinsel. Easily installs, no electricity required, and relatively inexpensive. Copper Tinsel Static Eliminator 72 ft/Box (PPE-26-110).