PREMIUM MATERIAL: Ritche silicone watch band is made of flexible elastomer waterproof silicone and adopt quick release spring bars on both sides which are easy to change watch bands without tool. It is sweat and water resistant, easy to dry, lightweight, skin-friendly, soft and durable for your daily use. THREE PARTS INCLUDED: One set of silicone watch bands comes with one 'short side' (the side with the buckle) and two different lengths of the ‘long side’ (the side with the holes), assuring a perfect fit for nearly any wrist. Fit all men, women and unisex-childs. Fits wrists 6.4" to 8.3" in circumference, but watches geometry may also impact fit. UNIQUE DESIGN: Each silicone watch bands' surface has stripe texture and comes with a special rubber loop. It has a bulge inside, which can coincide with the hole at the the strap, so this special loop can fix the strap and make it difficult to slide, and perfectly suit for gym, picnic, swimming, climbing, hiking, camping, traveling, etc.. MUST READ BEFORE ORDER: In order to save your time and effort, please choose a correct width for your watch lug. Accuracy to the millimeter is very important. "Product Description" section on this page lists some watches based on 18mm 20mm 22mm watch bands. WHAT YOU GET: 1 x Ritche Silicone Watch Band (two lengths included). If you have any problems, please feel free to contact with us. We are very happy to help you. DISCLAIMER - The product is not affiliated with, sponsored by or associated with the brand it fits, including Samsung. Ritche silicone watch band is made of flexible elastomer waterproof silicone and adopt quick release spring bars on both sides which are easy to change watch bands without tool. It is sweat and water resistant, easy to dry, lightweight, skin-friendly, soft and durable for your daily use.