SECURE & COMFORTABLE: 360* Armband is the perfect partner for all your workouts, holding the phone tightly and securely to the arm. The stylish design gives you the best sports experience! Highly breathable Lycra and Neoprene, no sticky to your skin, soft, lightweight and comfortable to wear. Stretchable and washable with clean water. Inner embossed design improves circulation and sweat resistance. Designed to fit EVERY SIZE of arm.With a DUAL LENGTH adjustment system and extender strap BONUS the high quality Velcro strap fits all arms 8"-27" circumference. Fits all 4" to 6.5" smartphones - iPhone XS Max 8 Plus 7, Samsung Galaxy S9 S8 S6 Edge Note 8 etc. Compatible even with Otterbox/Lifeproof cases. Stretchable silicone holder provides one-handed ERGONOMIC OPERATION and allows easiest access to all cell phone buttons during cycling, walking, hiking, and all of your high intensity workouts. Enjoy your exercise life in comfort! CONVENIENT key pocket & headphone strap.Its secured built-in hidden KEY HOLDER is perfect for 1-2 middle keys. As well, there is a special strap for excess headphone cable.