Needle Bottle: Set of 1.7 fl oz (50 ml) bottles for painting of translucent clay. Markings on jar surface. Easy to use needle Material: Made of high quality PVC material, soft and easy to wring. The tip of the metal pin is rust resistant, so it can be used for a long time. Please clean the bottle after use. If not washed, the syringes will become clogged. Size: Bottle: Diameter approx. 1.5 inches (3.7 cm), Total length approx. 4.7 inches (12 cm). Needle tip: about 3.1cm in length. Please allow slight size deviation due to manual measurement. Wide range of uses: These clay painting bottles are used to paint mud pictures on ceramics, decorate pottery with colored glazes, and paint on pottery projects. It can also be used to lubricate industrial glue, door locks, watches, fishing line wheels, etc. Package: Needle bottle set of 5