Features: Brand new and high quality Keep your brass instrument responsive with this reliable lubricating oil. This lubricating oil ensures smooth and effortless use for your brass instrument. Suitable for musicians of all levels, this oil helps maintain the optimal condition of your instrument. Perfect for both beginners and professionals, this oil is designed to meet your brass instrument's needs. Whether you're practicing at home or performing, this oil prevents sticking and keeps your instrument in top shape. Specifications: Material: Lubricants Color: As The Picture Shows Type: 1Pc/3Pcs(Optional) Size: approx.8.4x4.1cm/3.30x1.61in (More Size Detail, Please See Photo.) Package Includes: 2 Kinds of Package(Optional) Package 1: 1 Bottle of Trombone Drawtube Oil Package 2: 3 Bottles of Trombone Drawtube Oil note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!