All water conditions are no problem for these New SX Foamed Filled mallards. A combination of high-head and low-head postures authentically replicate the natural behavior of active mallards. Ultra-realistic Bird Vision Technology paint schemes combine with the ultimate in Bird Vision paint adhesion and durability for the best floating mallard decoys. All SX mallard decoys feature an innovative weight keel. Simply snap the line through the swim clip to give SX decoys natural motion on the water.