3M™ Nailsaver Scouring Sponges are cleaning sponges made of a textured synthetic fibre white web containing very soft abrasive particles, laminated with an adhesive on to a grooved synthetic colour coded foam holder.For easy cleaning with low scratching power on most surfaces, use 3M™ Nailsaver Scouring Sponges.Our scouring sponges are made of a textured synthetic fibre white web containing very soft abrasive particles, laminated with an adhesive onto a grooved synthetic colour coded foam holder. They offer good cleaning performance for light-duty cleaning tasks with soft and low scratching power on most surfaces. They’re very long lasting and easy to handle thanks to the shape of the foam.