THESE COVERS OFFER A HEAVIER GRADE MATERIAL AND CAN BE USED TO SECURE TO THE CONCRETE DECK WITH ANCHORS LIKE THE WAY MORE EXPENSIVE COVERS. ALL NECESSARY BRONZE CONCRETE ANCHORS ARE INCLUDED ALONG WITH WATER BAGS TO SEAL THE COVER TO THE DECK TO PREVENT DEBRIS TO FLOW IN LIKE OTHER WINTER COVERS ALLOW. 15 YEAR WARRANTY. NEVER BUY A TARP WITH WATER BAGS EVER AGAIN.
