Featuring a high elasticity and fastener-tape design, the wrist strap is easy to stretch and easy to put on and take off. Also, can be adjusted to the right size according to the size of your arm or calves, breathable and comfortable. Brightly colored wristband with a reflective strip design, which make you be clearly identified by others no matter in the daytime or in poor light at night, preventing accidental traffic accidents during sport process. It is constructed of high elastic band material. The length of this product is 35cm and width is 5cm. The extension length is 50cm. Suitable for nigh running, nigh cycling, climbing mountains, yoga, badminton, tennis, hiking and other outdoor sports. Item Name: Cycling Wristband Material: High Elastic Band Gender: Women, Men Features: Reflective, Adjustable, High Elastic Size Details: L: 35cm/13.78", W: 5cm/1.97" (Approx.) Extension Length: 50cm/19.69" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Cycling Wristband