Soft & Durable Silicone Material ATUP sport bands replacement for apple watch are made of durable and soft silicone, which is no harm to skin, light and comfortable, you can wear it day and night. Fit Seamlessly Into iWatch ATUP Sport bands for iWatch come with watch lugs on both ends, which locks onto Apple Watch interface precisely and securely. Various Color Options Various bands personalize your apple watch to fit your mood and outfit in daily life. Colors could be mixed to wear for unique styles! Small & Large Size Options Small and large watch bands compatible with Apple Watch Series 4, Apple Watch Series 3, Apple Watch Series 2, Apple Watch Series 1. Easy to put on First, Align watch band with the slot of the Apple Watch’s body, then push the strap into the slot Make sure attached firmly Sway both of the band to make sure that they are attached firmly and installed successfully Easy to take off Press button with your left hand, hold the wrist strap with your right hand, move up or down