20 mm UNIVERSAL SPORT LOOP BAND - Compatible for Samsung Galaxy Watch 42 mm / Active / Gear S2 Classic / Gear Sport Smartwatch 43 mm, Huawei Watch 2, Garmin Vvoactive 3 Music Smartwatch 43 mm / Approach S40 / Forerunner / Vivomove HR and etc. BREATHABLE BALLISTIC NYLON - This sports woven band is made of a sturdy nylon web that is breathable, durable and not easily deformed. It is also waterproof, even if it gets wet by water, it dries quickly. NO FALLING CONCERNS - Buckle closure ensures quick fit and secure attachment, don't worry about falling. ADJUSTABLE LENGTH - The total length of the bracelet is 8.27" / 210mm, which is suitable for wrist 5.7" - 8.7" / 145mm - 221mm, the size of the bracelet can be adjusted freely. EASY TO INSTALL - The buckle band comes with watch lugs on both ends, which lock onto your watch securely and firmly, easy to assemble and remove, no tools required.