This is pack of Portacraft Empty Bottles is an easy way to control the flow of your mediums to your artwork.These bottles have a screw lid with a skinny nozzle to help with more detailed designs, the cap is a great way you can keep your medium inside fresh and ready to use. Mediums you can use these bottles for are; acrylic paints, making your own glitter glue, applying glitter, alcohol inks, mixing and much more! Being made out of softer plastic you only need to apply gentle pressure to get your desired consistency and flow. Tip: if you are unsure of the amount of pressure to use practice on another piece of paper or paper towel until you are comfortable adding to your artwork.Features: Empty bottles - 2 pack Easy squeeze use technique Screw-on lid Thin nozzle Cap to close to keep medium fresh after use. Affordable price