<p><b>Compatible Models</b></p><p><b>UPOLS</b> sport bands compatible for Apple Watch Series1, Series 2, Series 3, Series 4 All Models Version.</p><p> </p><p><b>Simple Installation</b></p><p>Two watch lugs on both ends, which locks onto Watch interface precisely and securely. Easy and direct installation andone button removal. Please wait a few seconds after you slip it into your iwatch, make sure the band won't up anddown when it sits in place completely.</p><p> </p><p><b>NOTICE</b></p><p><b>38mm/40mm S/M, 38mm/40mm M/L</b> sizes are made for <b>38mm/40mm compatible for apple watch</b>, <b>42mm/44mm S/M 42mm/44mm M/L</b> sizes are made for <b>42mm/44mm compatible for apple watch;</b></p><p><b>38mm/40mm S/M </b>size fits for 130-180mm wrists, <b>M/L</b> size fits for140-190mm wrists.</p><p><b>42mm/44mm S/M</b> size fits for 150-200mm wrists, <b>M/L</b> size fits for160-210mm wrists.</p><p><b>S/M</b> means size Small, <b>M/L</b> means size Large! Please choose the correct watch model and size for yourself.</p><p> </p><p><b>Package Includes </b></p><p>1 x Sport Band Compatible for Apple Watch</p><p> </p><p><b>About us</b></p><p>This product is sold exclusively by <b>UPOLS.</b> Only buy from <b>UPOLS</b> to get genuine <b>UPOLS</b> products with Lifetime warranty and superb customer service.</p><p><b>UPOLS</b> is registered trademark of <b>UPOLS</b> and is exclusively distributed by <b>UPOLS</b> on Amazon. <b>UPOLS</b> trademark is protected by US Trademark Law.</p><p>Lifetime warranty. Please search "<b>UPOLS</b> Compatible for Apple Watch" for other accessories offered by <b>UPOLS.</b> </p>