Henoda 11PCS Replacement Bands with Metal Clasps for Fitbit Flex Wireless Activity Sleep Wristband, Set of 11 with 12 Piece Colorful Silicon Fastener Ring High Quality and Replacement for Lost or Damaged Bands.7 Days Unconditional Return Period! Note: Tracker or Other Parts are NOT Included; Large Size:6.3-8.3 Inches / 161-210 mm. Band Width:0.6 Inches / 13.10 mm. Personalize Stylish Wristband to Match Your Daily Style with This Brand New Color Choices,For Fitbit Flex Wristband Only! 12PCS Colorful Silicon Fastener Ring - Designed Specially for Fitbit Flex to Protect the Clasp Loose and Band Fall off. Free Size Fit Your Wrist Depend on Button Site You Place. Comfortable for Sporting Time,Look Good no Matter What You are Wearing.