SeaSorb Soft Ag Alginate Dressings and Fillers with Silver A fiber-free alginate wound dressing offering superior strength and absorption. No fibers mean nothing is left in the wound; removes in one piece even when saturated. Available as a flat dressing, or rope for use as a wound filler. Seasorb Soft Alginate Dressing with Silver combines the absorption qualities of SeaSorb Soft with controlled, silver release technology, for optimal outcomes of highly exuding, deep cavity wounds.