Custom Wedding Return Address Stamp, Self Inking, Pre-Inked with Black Ink - Sweetheart Design Premium quality refillable stamp. Personalized with your text. Max impression size: 2.7"x1" Self inking - comes pre-filled with black ink. Uses oil based ink that resists drying out inside of the stamp unlike competitor's water based ink Refillable so it will last a lifetime! Makes thousands of impressions (approximately 10,000+) before needing to be refilled