Great accessory for running, biking, etc. zip compartment for device, Velcro for adjustable arm attachment. No flaws. Shop with confidence! I have over 1000+ perfect 5 star ratings. I ship same or next day. Average ship time is .9 days. I check my closet regularly for fast response times on any questions. I offer bundle discounts to save you shipping and offer a great deal! Feel free to make me an offer, I simply LOVE offers! ❤️ thank you for shopping! 😊