About this item APPLICATION RANGE: You can use these for art crafting projects, skateboards, shoes, and sanding discs or belts. DURABLE DESIGN: 1. Rubber residue eraser is made of natural rubber material which has strong cleaning to remove adhesive, lightweight to use and store. 2. It will get hard when it is in low-temperature places, and get sticky when it is in high-temperature places. FUNCTIONAL TOOLS: The rubber residue eraser is a common cleaning tool for wiping the adhesive, glue, and watercolor out of paper or plastic quickly and efficiently. PACKAGE INCLUDE: 6 Pack of Rubber Residue Eraser, which size is 6.5cmx2.2cmx1cm (2.56*0.87*0.39 inch) NEED ATTENTION: 1. You might need to attention that this item can not remove the discoloration of the aging material itself. 2. If it is too hard in winter, we suggest using a hair dryer to heat it a little, and then it will get soft. Conversely, if it is in summer, we suggest storing it in cool places.