A-4 Buoy 20.5" Diameter - WhiteThe A-Series is the product that launched the Polyform story. This all-purpose product, with the signature "blue ropehold" has proven itself in the most adverse conditions.Marking gear used in heavy seas is no easy task. That's why more fishermen use Polyform A-Series than all other buoys combined. You name it, ocean, sea, or river, and the A-Series has been there.Put your trust in Polyform's most versatile and well-known product.Features:Even wall thickness for maximum thicknessHeavy duty reinforced ropeholdsPolyform's unique vinyl valve systemDual valve inflation/deflation systemExcellent choice for a rafting fenderOne (1) piece designTechnical Specifications:Size - 20.5" x 27" (52.1 x 68.6cm)Eye Diameter - 1.125" (2.9cm)Circumference - 64.4" (163.6cm)Volume - 22.5 gallons (85.2L)Boat Size - 50 - 60' (15.2 - 18.3M)*Sold as an Individual