1 Material: Kayak D-rings are made of heavy duty stainless steel Strong enough to resist oxidation, the lashing rings are painted in premium black Protective coating to prevent oxidation 2 Strong patch adhesion: Canoe d-ring patches are easy to install and use2 li> strong adhesion don't worry only Need to apply super glue to the bottom of the patch and stick it to the boat Use the rope to secure the object The paddle etc 3 Product: Lightweight and won't take up too much space in your boat You can adjust the tightness of the rope by yourself < li>You can easily lock the rope in place for any size items 4 Use: D-ring patch for rescue rope scoops li> cargo thigh straps great PVC inflatable boat replacement Accessories rafts boats kayaks canoes< /li> Stand Up Paddle SUP Boards and more 5 li>