When printing with pigment ink, it is recommended to do dry printing to avoid blurring of the surface. Store in a cool, dry place and keep it away from direct sunlight. Storage temperature between 5 ° C (41 ° F) and 25 ° C (77 ° F). It is best to be used within 5 years of production. The date of production is on the packaging. The paper does not contain harmful chemicals. The pictures should be stored in photo albums or frames to maintain quality. This paper model is only designed for inkjet printing and personal use.