Kit Contains:
• One (1) XNP162522K Archival Newspaper Box with lid. 
16-7/8 x 25 x 2-1/2" (inside).
• Ten(10) SNP15234 Archival Polyester (Mylar) Sleeves. 
15-1/4 x 23-1/2.
• Ten (10) KAF40NP1523 Conservation Grade Acid-Free Backings.
14-3/4 x 23-1/4".

This is a $25.00 savings if all items were purchased separately.