Wendy Vecchi's Mini Archival Ink Pads have the same high quality, fade resistant dye ink formula used in the full size Archival Ink Pads. Archival Inks provide long lasting stamping results that are permanent on many surfaces. Get a crisp image that doesn't bleed over water based inks, markers, acrylic paint, water colors, and more. The small size makes these convenient for projects on the go.Details: Multicolor No.6 1.75" x 0.65" ink pads Acid free Made in USA Conforms to ASTM D4236 4 countRecommended for ages 18 and up