About this item Double-Color Sport Watch Band: Our sport watch straps are designed for double-color(black-gray, black-red), specially designed for running, swimming, cycling, hiking, climbing, camping, workouts, traveling and more outdoor activities. Besides, the watch is disassembled with a multi-hole design, which is convenient for ventilation during exercise. Flexible, lightweight which feel comfortable next to your skin. Quick-Release Watch Band: watch bands' soft and waterproof high-grade soft silicone material provides the best support for sports, work and life. Besides, they can install and remove conveniently, suitable for various occasions and outfit combinations. Quick-release spring bars allow you to swap straps in seconds without any tools. Waterproof and Skin-friendly: Our sports watch strap uses soft and smooth silicone which is durable and lightweight. Comfortable touch feeling free your wrists when you with the silicone watch sport band. Perfect for outdoor fitness, sports, any type of workout or daily use. Compatibility: Our watch bands are perfectly compatible with almost universal watch bands (20mm, 22mm) suited for different sizes' wrists. Notice: Please take a moment to refer to our size guide to perchase the most suitable one before ordering. Select Size: Measure the inner distance between two lugs on your watch casing. The strap will fit your