The A Series is the product that launched the Polyform story. This all- purpose buoy, with the signature “blue ropehold” has proven itself in the most adverse conditions. Making 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, river or lake and the A Series has been there.Put your trust in Polyform’s most versatile and well-known product.A Series FeaturesEven wall thickness for maximum strength and durabilityPolyform’s unique vinyl valve systemRedesigned ropehold for A-1 through A-7 for improved strength and durabilityDual valve inflation / deflation system for sizes A-5, A-6 & A-7Excellent choice for a rafting fenderOffered in 21 brilliant, high – visibility colorsA-1: Size 11″ x 15″A-2: Size 14.5″ x 19.5″A-3: Size 17″ x 23″A-4: Size 20.5″ x 27″WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov