stank& Fitbit alta Band, Replacement Wristbands for Fitbit Alta Accessory Buckle Watch Bands Strap Prevent the Tracker Fall Off, Adjustable Wristband and Wristwatch Style 1.Buckle Bands for Fitbit Alta,Prevent the Tracker Fall Off 2.Medium hard and soft material,Soft and durable,Avoid hurt wrist in sports. 3.EASY TO INSTALL.No need any tool installation,Joints without any gap. 4.One size fits most wrists size (fits wrists up to 8.3 inch ) 5.Replacement bands For Fitbit alta Only