There are 2 different specification:3ml/pot,Each 3ml pot measures 1/2inch.There are 2 different quantity:6 colors with 1 brush and 12 colors with 2 brushes.All pigments are non-toxic,washable,safe and harmless.Dry fast, strong water resistance, and light resistance, not easy to fall down.Wide application, suitable for wall, ornament, wall and so on.Small size design, easy to carry around and store.