Runner\'s World: \"These are a handy running essential to have as the evenings get darker. Also a great buy for cyclists!\"\' Women\'s Running: \"I found wearing these bands hugely beneficial during evening runs and cycling rides. Designed to be used on your arms or ankles, the REFLECT360 band is very powerful with its reflective technology and it\'s durable in the rainiest conditions.\'\' Concrete Playground: \'An easy accessory to add to your outfit that will reflects vehicle headlights or other lights you pass along the wa..\'\' The Sun: Featured in the \'Best Winter Proof Kit.\'\' Sheerluxe: Featured in Editors Picks in \'Tips for Running the Dark Feature.\'\' Utilises highly reflective REFLECT360 technology Set of 2 bands per pack Adjustable Velcro fastening Ideal for Runners, Cyclists, Walkers etc All-weather use Easy wipe cleaning General sizing advice: S/M = Women and Children (36. 5cm x 5cm) General sizing advice: L/XL = Men (44cm x 5cm)