Buckle closure ✅【COMPATIBLE MODELS】 The 20mm watch strap can be applied to traditional watches and smart watches that the width of watch lug is 20mm. Such as Galaxy Watch Active 40mm/Galaxy Watch 3 41mm/Galaxy Watch 42mm/ Gear Sport/ Gear S2 Classic, Huawei Watch GT 2 42mm/Huawei Watch 2 pro/Huawei Watch 2 Sport/Vivoactive 3/Forerunner 645 etc. ✅【UNIQUE DESIGN】 Breathable and hybrid design, the bracelet is made by unique two color injection molding technology, lightweight and sweat & water-resistant, never fade or dim. Various colors available for choice, an ideal accessory for your 20mm width smart watch. ✅【WRIST SIZE】 The length of the replacement watchband is 133mm/91mm, can fit wrists from about 5.3" to about 9.0" around, which will comfortably fit most men and women. ✅【HIGH QUALITY MATERIAL】 High performance soft silicon material with smooth finish for a sporty look. Breathable, flexible and waterproof, very comfortable and soft to wear on wrist. ✅【WATCH BUCKLE】316L high-quality medical stainless steel, allergy proof.After 4 precise polishing processes,the surface texture feels exquisite, with charming luster. The operation is very simple,so many original straps come with this type of clasp. ✅【QUICK RELEASE】 The quick release spring bars design allows you to quickly and easily swap watch straps with your fingers, not requiring any tools, it made installation an absolute breeze. ✅【FULL WARRANTY】 If you're not completely satisfied with your purchase of these quality bands utensils, simply let us know and you'll be offered a FULL refund or replacement, no questions asked.