The practical Fixing Band is made of nylon material, which can be wear resistant, durable and practical to use. Easy to install and remove, use as simply as the chest band. The band's material is tough and supple, make you can't The device chest strap can be your good replacement. Features - Color: Blue -Material:Nylon - Size: 17.00X3.00X0.10cm/6.68X1.18X0.04in -The monitor chest strap is made of nylon materials which can be wear comfort and supple, easy to clean, durable. -With the compact size design, the fixing chest band can be easy to take and store. -The practical device chest band can bring you good experience, and you can use with confidence. -It has a simple application method and can be worn easily without much time. -You can give this as a gift to friends who like running at night, practical for them. Package list: 5 x Chest Strap