Droppings from birds and spiders ruin the looks of any boat and can't be removed with just soap and water. But just spray on Starbrite Spider & Bird Stain Remover and they'll begin to break down instantly. The non-abrasive, non-toxic formula won't harm fiberglass or painted surfaces and won't remove waxes or polish. Droppings dissolve without hard scrubbing. Features:- Quickly dissolves messy spider and bird droppings.- Non-toxic, all-natural formula.- Contains no bleach; safe for use around kids and pets.- Will not remove polish or wax.- Safe for all marine surfaces and fabrics