This stamp uses Frixion ink, so you can erase it by rubbing it after stamping. Just one press on your notebook or letter will double the cuteness! *The ink becomes colorless when heated to 60 degrees Celsius or higher. [Materials] Body: PP, Stamp surface: EVA, Rubber: Elastomer [Size] Approximately H5.5 x W1.4 x D1.4cm [Country of Origin] Japan [Seller] Sunstar Stationery Inc. The key is to press gently. I have stamped it about 5 times and stored it at home, so I would appreciate it if you could understand. #Snufkin