DUROLAN SET by DFS Germany (25000) Thixotropic space maintainer varnish. Blue: Layer Thickness 5μ Red: Layer Thickness 10μ Silver: Layer Thickness 13μ Gold: Layer Thickness 15μ Transparent Hardener: Layer Thickness 3-5μ Diluent: Content 25ml (Pack of 6 bottles of 25ml each) - (Also available individually)