Anti-Microbial Speed Rope Features: Anti-Microbial handles eliminate bacterial growth and reduce odor. Anti-microbial treatment is non-toxic and does not wear off. Dual-Corded PVC rope-PVC wrapped around cotton cording to prevent stretching. Steel bearings provide a smooth, consistent swing motion and are highly durable. Dual-injection molded handles allow for a firmer and more comfortable grip while providing the maximum in control. 9ft. length that can be shortened.