MaryKate On and Off - Hull and Bottom Cleaner<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Works instantly to remove the toughest waterline stains， algae stains， rust &amp; gas exhaust stains </span></li><li><span class="a-list-item"> Use on fiberglass only </span></li><li><span class="a-list-item"> Will not harm gel coat </span></li><li><span class="a-list-item"> Non-flammable </span></li><li><span class="a-list-item"> This item is not for sale in Catalina Island </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41w81NZVbNL.jpg" noproxy>