The EFI Fine Art Handmade Water Color Photo Paper 140gsm is a FineArt Handmade water colour paper for artistic reproductions with high color fidelity, acid free.This EFI Photo Paper does comply with DIN 6738, ISO 9706, ANSI Z 39.48-1992 neutral sized, neutral PH value, acid free and therefore extremely age resistant. It offers the highest archival class and has a life time of several 100 years.