ULTRA COVER - 20' X 20' ULTRA COVER - 20' X 20' $136.50 SKU: ULT2020 QTY: Click here to save 5% off of your order! ULTRA POND COVERS 20' x 20' Resists tears, mold and mildew. UV treated for longer life. Tight weave of 1/4 prevents small debris from contaminating pond water. NO STAKES INCLUDED. Eight year manufacturer's warranty