Features: Environmental for protection, waterproof. Easy to apply, move and reuse without leaving damage or residue. Can be applied to any dry smooth surface. It can remind you to refuel your car in a more timely manner, to prevent the car from running out of fuel when going out, to avoid unnecessary trouble, and to better facilitate your life. Very simple to write on with a fine marker or pen as a reminder to your clients of the for time of the next oil change. (please make sure surface is clean from grease or dust.) Specifications: Material: Sticker Sticker Size: Approx.50x50mm/2x2in Color: Black/ Blue Package Includes: 1 Roll Oil Change Stickers(300 pcs) note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.