The Van Gogh watercolors can be used by anyone

even after long periods of disuse

so if you want to be protected against those as well

or put it into a frame with a UV filter in it

the tips are exchangeable

mtn pro acrylic spray varnish matt 400ml Talens Ecoline Liquid Water Colour Ink And Brush-pens The Van Gogh watercolors canMTN PRO Acrylic Spray Varnish Matt 400 ml is a clear, single component topcoat made with fast drying acrylic polyurethane resin. It provides a durable, transparent protective layer with a smooth, non reflective matt finish. Designed for indoor and outdoor use, the varnish offers resistance to UV light, moisture, and surface scratches, helping to extend the life of painted surfaces. This product is suitable for use over most acrylic paints and can be