Pre-Inked Message Stamp - Impression Dimensions: 1-1/2" x 2-1/2". Large message stamps are great for all offices and personal uses. The laser engraved rubber makes this stamp strong and durable for years of use. Makes approximately 50,000 impressions before re-inking is needed. Use Xstamper Refill Ink only. Use of any other ink will void out the warranty.