Pakage Include : 2 Pcs * 20mm Loops. PREMIUM Band and Strap Keeper Loop - Secures the tail end of the watch band or strap.
Fits Casio, Timex, Garmin, Invicta, and Luminox bands, plus other rubber watch bands and leather straps.
2X Stronger, Non-allergenic, Non-marking virgin PU rubber.
Size denoted the inside width of keeper opening, Use a ruler to measure the width of the band at the tail end(the part that goes through the keeper) and you will have the right size
Pro Tip: Use a small flat screwdriver or knife blade to remove the buckle pin and buckle to install the keeper loop.