Boot straps measurement: the size of blousing garter is 19.5 cm in length, 4 mm in diameter, standard size fits for most people Durable material: made of good quality rubber and polyester material, which has good durability and strong elasticity, can last for a long time and fit for most ankle size Main function: keep your pants stay tight against your boots, and keep sand, dirt, bugs and insects out of your boot, make your look neat and charming Suitable for many occasions: mainly fit for navy army and air force, you can also use them to make your activities more conveniently when doing sports, travelling, climbing, riding a bike and other sports Package includes: 12 pieces of elastic boot straps, enough quantity for your replacement and use; Color: as pictures shown