Flexovit waterproof sanding sheets 230 x 280mm flexovit 63642526491 these flexovit waterproof sanding sheets can be used either wet or dry and provide a highly flexible high quality silicon carbide abrasive waterproof paper is specially treated so it is ideal for use with water or other lubricants the paper lasts longer and gives a smoother finish when used wet as the water cleans lubricates and helps prevent clogging flexovit 63642526491 waterproof sanding sheets 230 x 280mm assorted