... materials 4. short lead time Fragrant ink printed children board book: Fragrant ink printed children board bookPaper material:White cardboard ... Glittering, etc.Die cutting, glow in dark, temperature sensitive ink, water-colored ink.Accessories:Magnet, ribbon, EVA foam, plastic tray, sponge ... With our Soybean ink, brand of BIC from Japan, eco-friendly glue, eco-friendly and upper level brands paper in ...