Wearlizer Classic Band Silicone Replacement Strap For Smart Fitness Tracker Fitbit Blaze Compatible with smart watch Fitbit Blaze, frame not included; S for wrist size 5.5"--6.7", L for wrist size 6.7"---8.1" Durable and soft silicone guarantee you a comfortable wearing experience when doing sport, working or outdoor Different colors to change your look in an instant Come with a pair of Quick Release pins to easy replace the band of your fitness tracker We know you'll love our fitbit bands, that's why if you aren't 100% satisfied we will provide you with a refund or a free replacement - which ever you prefer. Buy more for your friends and family