World Voyager No Bounce Runners Hydration Belt with Reflectors, Smartphone Pocket (Fits iPhone 6 Plus), BPA Free Water Bottles NO CHAFING OR BOUNCE: Read our reviews for evidence! Most generic running belts need constant re-adjustment because they never stay at the right place. This one is designed to eliminate any slipping, rubbing or chafing while you are running. INCREASE YOUR VISIBILITY: The belt has highly reflective tags and zipper strip PREMIUM QUALITY: We used custom rubber expoxy on both sides for anti-slip. Furthermore the belt includes expensive soft waterproof fabric: Lycra+Neoprene (World Voyager exclusive) KEEP YOUR STUFF SAFE: Antitheft pocket can accommodate all smart phones from 3~6 inch screen with custom earphone slot! HEALTHY TO USE & BPA FREE: Dishwasher safe, 9oz BPA free bottles secured tightly in neoprene pockets with straps