oil painting 1)Tag canbe any solid surface . 2) ... , pink, red, yellow, black 3. The refill is 7g4. The material of the paint pen is as follows. Barrel: Aluminum ... UsDongguan Tianyi Stationery Co., Ltd., located in the workshop of the world-- Dongguan City, Our company is mainly ... before mass production and diligent quality check both in the factory during production and in warehouse before shipment; ...