Each pad measures 6" in diameter.
The non-toxic ink is acid free, dries quickly, and is ASTM D4236 certified.. Ready2Learnâ„¢ Jumbo 6-in-1 Circular Washable Stamp Pad, Rainbow, PK3 These Jumbo Washable Paint/Ink Pads are perfect for kid-sized hand prints. Made with washable paint/ink, these pads are excellent for young children to use.