Check the listing for details. GooBoom 100ml Gloss Varnish for Air Dry Clay Projects. Condition: New. Listed at 20.00 USD. Using a brush, apply several thick coats of clay varnish as your base. Allow it to dry fully before adding any paint or color. Once the paint is dry, finish with a final top coat of clay varnish. For optimal performance, let the piece cure for 24 hours.

$14.00
$20.00