TSUKINEKO-Kaleidacolor Raised Rainbow Inkpad. The world's first non- bleeding; raised rainbow dye inkpad! Brilliant colors in a raised pad allows you to use any size stamp. A locking mechanism keep the pad from drying out! This package contains one 3-3/4x2in stamp pad. Acid free. Conforms to ASTM D4236 and F963-95. Available in a variety of color combinations: each sold separately. Imported.