Compatible Models:Specially Designed for Garmin Vivoactive 3 Music / Vivoactive 3 / Garmin Venu / Vivomove HR / Vivomove Luxe / Vivomove 3(not for 3S)/ Vivomove Style / Forerunner 645 Music / Forerunner 245 Smartwatch 【Perfect Material】Hight quality silicone Material, very soft and durable enough to avoid the slipping-off problem, sweat-resistant and waterproof, Perfect fit for sport wear. 【Free size】Band length:121+92mm, Fits wrist size from 5.2inch-8.5inch, Alternative holes and metal buckle a