"Water base, nontoxic, quick drying, nonflammable, will not smear or bleed through paper. 8 color set includes: 8 - ink wells, 8 - 1" wide markers, 8 - 2" wide markers, 8 - pints Chromark ink: blue, yellow, green, red, orange, purple, brown and black with sign caddy. Qualifying Standard: Chromark.For Refills see KCDA Nos. 25140, 25141, 25142, 25143, 25144, 25145, 25146 & 25147."