1.7mm cord with reflective tracer. This line is used on all Gossamer&';s shelters and is perfect for a multitude of tasks. It a highly visible blue with reflective tracers woven in for visibility at night. It has a 1.7 mm diameter which give it a large enough diameter to be useful will conventional knots. It&&';;s dyneema core gives it an amazing strength for its incredibly light weight. Get a package for use around the camp. While the strength of EZC2 line would certainly allow it&';s use in bear-bagging for one or two travelers, we do not recommend this use, as the polyester sheath is abrasive and harmful to many trees. For that purpose please consider Gossamer&';s DynaGlide Bear Hanging Line. Included is 50 feet of EZC2 Line. Specs Weight Per Foot: 0.03 oz / 0.85 g Total Weight: 1.5 oz / 42.5 g Diameter 1.7 mm Quantity 50&'; / 15 meters Strength 225 lbs. / 100 kg