premium boat scuff erasers | magic boating accessories for cleaning black streak deck marks and more 3 pack better boat our premium boat erasers easily and effortlessly cut through dirt, grease, grime, and scuff marks, simple moisten with water, squeeze and wipe surfaces clean. they do not contain bleach or harsh chemicals making them safe to be used in the kitchen and bathroom, on fiberglass, aluminum, gelcoat, metal, plastic and painted surfaces. we proudly stand behind the quality of all our products! we are a family owned american business committed to making premium quality products.