【Compatible Models 】This Hoopyeecase replacement band is compatible with Garmin Forerunner 245 / Garmin Forerunner 245 Music / Forerunner 645 / Forerunner 645 Music smart watches (Tracker NOT included) 【Wrist Size】Suitable wrist size: 6.3 "- 8.6"(160mm-218mm).The adjustable buckle allows you to adjust the band to your size more conveniently. 【High-quality Material】Hoopyeecase bands are made of high-quality and environmentally friendly silicone materials, which are elastic, lightweight and skin