The Glen Eagle BakTrak Rifle Sling comes with a soft molded back for extreme grip that also reduces sling related noise with its Rubber tread grip back. Features 1.25 inch heavy-duty webbing, a thumb loop, and Swivels tested to 500 pounds. FeaturesSoft Molded BackRubber Tread Grip Back25-Inch Heavy Duty WebbingThumb LoopSwivels Tested to 500 Pounds