... is non-toxic, harmless and pollution-free. The ink has been approved by People's Republic of China National Technical Regulations ... promotion, school & office use, advertisingShippingEMS,DHL,Fedex,UPS,By air, By seavalid DateThe quotation is just valid for 15 days only ... and freight. But we will refund you the money when you place the order.Sample delivery TimeApprox 15 working Days After ...