1-3mm. Product shown on a 1cm x 1cm grid.
Description & Application:
Natural kiln dried black sand with a glassy sparkle. The sand is dry, clean and will not stain hands, fabrics or paintwork.
Suitable for crafts, event and exhibition decoration. This sand is both colourfast and suitable for use underwater.
Not suitable for children under 36 months without appropriate adult supervision.
Coarse volcanic black sand from Specialist Aggregates