It has an excellent sense of magnetic Wear-feel, and has the the advantages of silicone Material skin-friendly,soft,durable,comfortable,lightweight,waterproof . At the same time, it also adheres to the design concept of traditional metal watch bands. The Replacement Strap for iWatch comes with watch lugs on both ends, which locks onto apple watch interface precisely and securely. Do not worry your i-watch falling off.just Close/Open the magnetic buckle to install/Take off the Apple Watch bands. Specially designed for running, swimming, cycling, hiking, climbing, camping, workouts, traveling and more outdoor activities.