Arts And Crafts Bottle KitDispensing Bottle set Include plastic dropper bottle with needle. Needles and plastic bottles can be freely removed - loaded.great for you distinguish different liquid and accurately control the volume that press out. 4 Precision Needle Bottles30cc squeezable needle tip bottle, Resuable, easy to use and squeeze, washable, Great for lab dispensing and other projects that require small drops or fine lines of glue. Advantages of dispensing bottlesThe side of the Needle Dropper Bottles has a scale. The needle can be changed to a different size. The lid can be used without a needle for maximum flow. Wide applicationThese dispensing bottle, for Wood Glue, Glues, Adhesives, Light Oil,Also great for essential oil, science lab, flat back rhinestones, hobby crafts, home or industrial precison applications of glues, inks, perfume, lubricants, sealants etc.