Use the rubber block to gently scrub imbedded dirt and stains on your watercolor paints. Restore and clean your favorite painting. Give them beautiful good look in minutes, without harming the other places. This product can be given as a great your friends and families. They will be very happy. Made of rubber material, it is durable and use. Features - Color: Light Yellow. - Material: Rubber. - Size: 7x5x1cm/2.7x1.9x0.4 inch. - This decontamination glue is made of rubber, and comfortable, high elastic, fast recovery. - Made of rubber material, it is durable and use. can safe to use it. - Perfect for using on your watercolor paints, it will help you to dust and hard quickly. - This product can be given as a great your friends and families. They will be very happy. - It can scrub imbedded dirt and stains on your watercolor paints. Restore and clean your favorite painting. Package list: 5 x Decontamination Glues