It can reduce friction between running belt and treadmill board, and prolong the service life and performance of treadmill. Compact size design makes it easy to store and does not take up too much space. It is a good choice as a gift for people who have treadmill. It is made of polydimethylsiloxane. The length of the bottle is 120mm, the width is 25mm. It is suitable for treadmill, spinning bike, elliptical machine, rowing machine and other sports equipment. Item Name: 30ml Treadmill Lubricant Material: Polydimethylsiloxane Capacity: 30ml Expiry Date: 5 Years Features: Reduce Friction, Reduce Noise, Maintenance Size Details: Bottle Size: 120mm x 25mm/4.72" x 0.98" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x 30ml Treadmill Lubricant