Heavy-duty Floating Universal Patented Rubber Spring Straps - One Size Fits All (1 Pair) Unique patented securing hole system makes installation easy and makes a secure strap-fin connection without buckles Once a fit is made, our high-tech stretch floating spring rubber provides gentle tension for a continuous secure comfortable fit Raised large finger loop makes it easy to pull straps on or off even while wearing gloves Universal Fit - Easy to install on most major brands of fins as a replacement strap or a Save-A-Dive strap One-size-fits-all - hole adjustments range from 9.5 inches stretching to 14 inches up to the largest hole adjustment of 15 inches stretching to 22 inches