The Keep Smiling Glass Liner Colour Set is a six-tube set with 12ml in each tube, labelled for 3D glass-liner artwork. The precision-tip format supports controlled lines, raised borders and decorative contours when creating glass-painting designs and craft projects. Use the liners to outline shapes and separate areas of colour on suitable decorative surfaces, following the product packaging for surface compatibility and drying instructions. The set is useful for artists and craft makers creating ornaments, glass décor, bottle designs and other detailed projects.