Supplied in 25ml bottles. Bright neon stamp pad ink makes for ideal decoration on celebratory arts & crafts or for eye catching displays. Water based the ink produces a fluorescent effect even on white paper strengthened under UV light. Corresponding to EN713 it can be used as a children toy ink as well (children 3 years or over). Perfect for nursery use birthday parties & for personalised invitations it is easily applied by h&. Also suitable for loyalty stamping or for stamp entry where.. .