An economical and practical method of storing negatives and contact proof pages there are two types translucent paper and transparent print through acetate free from acid and chlorine and suitable for long term negative storage each pack includes an indexing card for recording lighting conditions filtration exposure time and other datathis pack contains 25 pages of high quality acetate sheets each page holding 4 strips of universal 120 negatives sizes 6x6 6x7 6x45 or 6x9 cm idea