There are different size–XS/S/M/L to meet your request, different size D-ring patch use on different boats.
There are two material for your choose to meet different material boats–PVC and Hypalon
Add extra tiedown points to your inflatable SUP board or other PVC-coated boat or gear with these NRS PVC D-Ring Patches. Multiple size patches to choose from.
Built super tough with multiple layers of PVC-coated material securing the stainless steel D-ring.
This material is then glued to a PVC patch to create a seamless unit.