Waterproof Silicon Carbide Sandpaper Sheets 9 X 11 Inch A Weight,, And Marine. Product Details 25ct. Contractor Pack of 5-600 grit, 10-800 grit, and 10-1000 grit. 9 x 11 Inch high performance Silicon Carbide, closed coat waterproof sanding sheets with a resin over resin bond. A-weight flexible paper backed sanding sheets, long soak not necessary. Water prevents clogging and allows for dust free sanding Ideal for sanding primer, putty, filler, lacquer, and final painting/surface prep. Use by hand or attach to high speed vibrating sander 9 x 11 Inch | 25 Pack | 5 - 600 grit, 10 - 800 grit, 10 -1000grit Premium black Silicon Carbide grain on waterproof (wet dry) flexible A weight paper backing for a precise and uniform finish Plain backed sanding sheet for hand sanding Exceptional results in wet and dry sanding finishing applications for stone, metal, autobody, paint, primer, plastics, marine, composites and cultured marble. Specially engineered top waterproof product for wet sanding Professional grade, German quality, stocked shipped from the US. Starcke is family owned with over 100 years of experience in manufacturing abrasives Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.