ANTI-SLIP TECHNOLOGY FOR ULTIMATE FIT AND FRICTION-FREE COMFORT : AiRunTech Upgraded run belt hookloop tape's in place nicely and doesn't loosen while running, give you the ultimate freedom of movement and comfort, personalized fit for hips from 18-51.2 inch (46cm-130cm), Designed to be worn low down on the hips, contoured grips ensure total comfort by removing friction, allows for a snug fit that stays in place without bouncing or chafing during use. HEALTHY CONVENIENT HYDRATION: Include 2x 175ml NO RESIDUAL TASTE BPA-free Water Bottles, which apart from safe is also incredibly durable, You don't need to remove the cap in order to drink your water, this drinking bottle has a leakproof PUSH-PULL nozzle that allows you to enjoy your water even while you're on the move! TOP TIP, wash the flask out a few times before using. SPATIAL DESIGN AND SPORTS PROFESSIONAL: The bottle running belt is perfect for credit cards, ID, keys, paper towel, bars choc, energy gel packs, running accessories, etc, very convenient. Convenient 6.5 Inches Large Pocket fits most smartphone phones up to 6.5 inches, like 15 14 13 12 11 Pro Max XS 8 Plus, 7S Plus, 6 Plus Samsung. SUPER EASY TO WEAR SAFE: Complete with headphone hole, enjoy the music during running. Design of 2 removable race bib strap toggles can hold your race number for triathlons, marathons or running race. Reflective tab on the pocket ensures your safety in the night runs. Ideal for endurance running training.