D-rings with bases of PVC raft material are for use with a PVC or Urethane inflatable or ABS canoe. Small model has a 1" plated steel D-ring fastened to a 4-1/2" diameter patch of 18-oz. PVC raft material with a single strip of floor material sewn to the patch. Colors are sky blue, yellow, orange, gray, aqua, purple, or red. Use PVC Adhesive or Vyna Bond with MEK.