SumacLife Sport Armband Gym Band Case Pouch for Blackberry Z10 Blackberry Z30 (Black-Neoprene) SumacLife custom made neoprene armband for your device / Blackberry Z10 Blackberry Z30 and more smartphone Case dimension: 6.3 0.5 3.8 inch.Note :Please check your device dimension whether suit this case before purchasing. Adjustable Armband gives you the versatility of carrying your device in a variety of ways Provides protection and prevents scratches, chips and dirt from accumulating Easily slide product safely into case . Headphone tidy to tie up headphone slack.Great Unique and Bright Design