Gorgeous Custom Personalized Self Inking Return Address Stamp - Great Wedding, Housewarming, or Teacher Client Gift Max impression size: 2.7"x1" Personalized with your text Self inking - comes pre-filled with black ink. Uses oil based ink that resists drying out inside of the stamp unlike water based ink Makes thousands of impressions (10,000+) before needing to be refilled Refillable so it will last a lifetime!