Silicone oil for treadmills · 100% silicone oil. . Package size is 120 ml. . The package is sufficient for one and a half to two years. How to use and quantity: · When using the belt for half an hour to 40 minutes a day, the oil is used once every 60 days in an amount of (10 - 15) milliliters. · The skin of the belt is lifted from the right and the oil is placed under the skin on the wooden board of the device. · The skin of the belt is lifted from the left and the oil is placed under the skin on the wooden board of the device. · Run the device at a speed of 3 km/h and walk on the device so that the oil can penetrate the skin of the belt.