Keep Your MaxStamp SI-E4 Stamping Smoothly Genuine MaxStamp Replacement Ink Pad (MAXE4P) Ensure your MaxStamp SI-E4 self-inking stamp continues delivering crisp impressions with a genuine MaxStamp replacement ink pad. Available in a variety of classic colors (black, blue, red, green, purple, yellow, orange, and brown) to perfectly match your needs. We also offer a dry pad option for those who prefer to use their own ink.