AutoSol Marine Bird And Spider Stain RemoverAutoSol Marine Bird And Spider Stain Remover Autosol Marine Bird and Spider Stain Remover will quickly and effectively remove the most difficult bird droppings and insect remains from all your boats' surfaces including glass, paint, chrome and plastic parts. In an easy to use 500ml pump spray bottle Autosol Marine Bird and Spider Stain remover is certified Ocean Safe and Microplastic Free and ideally suited to the marine environment.