This 4 color pad printer has a close ink cup to ensure that it is environmentally safe and complies with CE standard. Model S4-25OT has pneumatic operating with printing colors of 4.4. It consumes a minimum amount of ink and helps to reduce solvents evaporating from the ink; it also keeps the ink at a constant temperature. The printer is controlled by a microprocesser and is stable and accurate. It has a cast aluminium machine frame, is low in weight and has high intensity and a turnable machine head. The printer can be used for pad printing plastic products, toys, gifts, PE products, golf ball packages, and many other items.