✔ DESIGNED FOR IPHONE X / 10 - This armband is designed to fit the iPhone X with a slim case on (NOT large case). This really is the best running holder on the market today and it comes with our lifetime replacement Guarantee. Great Value, Extreme Protection, Guaranteed Satisfactionn✔ SWEAT u0026amp; WATER RESISTANT - The No1 complaint with other Armbands is that sweat can damage your phone. NO MORE!! Our New ADVANCED Neoprene material will stop sweat from getting to your phone. Also the neoprene is super Grippe and it will NOT fall down your arm during exercise. Donu0026#39;t risk your $$$ Smartphone? Treat yourself to the very best TODAY!!n✔ ONE SIZE FITS ALL ARMS - The secure phone holder has a dual adjustable arm strap with reinforced stitching u0026#39;All the way aroundu0026#39; ensuring the Velcro will grip tight and not fall down. The armband now comes with a premium extender strap to fit all arms circumference: X-SMALL 9u0026#39;u0026#39; - X-LARGE 20u0026#39;u0026#39; inchesn✔ HIGH VISIBILITY - The extra bright reflector strip gives you high visibility when on the roads at night. The separate inside pockets are perfect for holding your keys, cash, credit cards, ID and earphones. Whatever your exercise routine, you can listen to music Jogging, Hiking, Fitness Training, Cycling, Dog Walking and Travellingn✔ LIFETIME WARRANTY - Here are RevereSport we care about our customers and we only provide the finest quality sports armbands. Feel secure when you purchase knowing you are covered by our 30 Day money back Guarantee and our LIFETIME replacement Guarantee.n