sprigs armband for iphone 11/x/xr/8/7 plus, galaxy s10/s9, google pixel 4. lightweight & comfortable running armband, stretches to fit all phones with case - (aqua blitz, small) sprigs sprigs armband is widely becoming regarded as the most comfortable armband in the marketplace today. it fits all of today's smartphones with a case including the iphone x, iphone 8, iphone 7, iphone 6+. sprigs unique patent pending design needs no adjusting, it stretches to fit you. slip any size phone into the armbands form-fitting pouch, and close the velcro brand fastener over it. slide the armband up onto your arm, where it sits securely and comfortably. silicon beads will help your new armband stay comfortably gripped to your arm, no matter what type of rigorous activity faces you. sizing: in order to receive the correct size measure your bicep and following the sizing chart below. small typically fits a (7 to 9.5 inches) medium typically fits an average build (9.5 to 12.5 inches) large typically fits a more muscular and heavier build (13 to 16 inches) xl (16.5 to 19.5 inches). phone compatibility: iphone 11, x, xr, 8 plus, 8, 7 plus, 7, se, 6s plus, 6s, 6 plus, 6, 5s, 5c, 5, 4s, 4, 3gs, 3g, original iphone , nexus one, nexus s, nexus 4/lg mako, nexus 5, nexus 6, nexus 5x, nexus 6p, galaxy nexus, samsung galaxy s10, s9, s8, s8 plus, s8 active, s7 edge, s7, s6 edge, s6 edge plus, s6, s5, s5 active, s5 neo, s4, s3 9.7, note8, note7, note5, note 4, note 3, note fe, note ii n7100, google pixel 4, google pixel 3, google pixel 2, google pixel, pixel xl, pixel 2, pixel 2 xl.