1. Full Protection & Versatility. Waterproof and sweatproof design to protect your cell phones. Night reflector allows safe running in the dim light conditions. Easy access to the headphone port, charging slots and key holder pocket. 2. Tight & Adjustable. High quality neoprene and Lycra materials with excellent elasticity and strong sticky tape prevents from slipping. Extension strap is adaptable for large biceps. 3. Comfortable & Breathable. Lightweight and eco-friendly materials make it portable, ensure worry-free use without irritating and rubbing your arm. 4. Designed specifically for Phone6 and Phone6s (4.7 inches). Fits perfectly for Phone SE, Phone4, Phone4s, Phone5, Phone5c, Phone5s and Pod as well. Compatible with any other mobile phones up to 5.0 inches. Specifications: Size: 8.9×3.0×0.6 inches Weight: 2.5oz Package Included: 1× Sports Armband 1× Extension Strap