Manually ink your traditional hand stamp pads to further extend the use of your stamp The ink's hygroscopic characteristic means that the ink pad will self-regulate and stay fresh by drawing moisture from the air, making it long-lasting and cost-effective Containing the highest percentage of recycled plastic that is technically possible, the ink bottle features a transparent strip on its side, giving you an indication of how much ink you have left Giving full-surface coverage and creating sharp-contoured impressions that will last for decades, the water based stamp ink fulfils requirements for indelibility 28 ml replacement ink bottles in red, blue, green and violet are available to help you choose the best colour for your requirements