This neoprene material allows the cuff to conform to the contours of your body, giving it a streamlined shape and a secure fit.An adjustable Velcro strap allows for custom fit and easy removal, and the internal pocket makes it easy to slip in your medical information.Covered with a clear PVC cover, your information is clearly displayed and the PVC cover is fully waterproof - ideal for splashdowns at water complexes. Comes with double-sided printed medical inserts on which you can write your contact information. Finished with PE Sport branding.Technical detailsAdjustable velcro arm strapInternal pocketPVC coverComes with double-sided printed medical inserts on which you can write your contact information.