Come and see our amazing products. Our sports armband (running case) made of Ultra lightweight, stretchable, soft skin-friendly, breathable Lycra and neoprene. Also, hand washable, water resistant, sweat proof and eco-friendly. Grip with compatible keeps the band firmly on your arm during at gym, workouts and running. So you can focus 100% on your performance comfortable. In addition, two dual-slot adjustable will fit arm size from 9'' to 16''. Pls confirm with us about the packing info, stock color and exact production time before placing your order.