COMPATIBILITY: Compatible with iPhone 7 plus/iPhone 8 plus/iPhone 6/iPhone 6s plus, it has the characteristic of large space so that can be perfectly applied to the phones equipped with protective case. Eliminated your worry that can only install the bare cell phones. | HIGH-QUALITY: Made of high quality Soft Neoprene to provide soft, odor-free, air bending and lightweight wearing experience without Stretch Out Of Shape. | ADJUSTABLE: The adjustable band supports a wide range of arm girth from 10 inches (25.4cm) to 15 inches(38.1cm). Adjustable strap protects and stabilizes device without slipping or constricting. | WATERPROOFING & SAFETY: Waterproof neoprene to isolate sweat and dirt, PVC screen protectors protect your smartphone from scratches.And The screen window with reflective strips, keep safer to exercise under low light. | LOVPHONE LIFETIME WARRANTY: We guarantee the high quality of item. If you have any dissatisfied, please contact with us no hassle to get efficient customer service.