Print File 120-4UB Archival Storage Page for Negatives have exclusive thin backing coupled with high clarity and allow you to ake quality contact sheets without removing or handling negatives.

Note: Fits the Albox binder/box (sold separately here ).
NO PVC - safe for long term storage
Strong continuous seams prevent negative hang up
Price is for one sheet. Multiple sheets available for purchase.
Specifications:
Format - 120 film in either 6x6cm, 6x7cm format, or 6x4.5cm format.
Capacity - Four strips of 3-frames
Loading Mechanism - Slip-in
Writing Surface - Data panel
Thickness - Top & bottom layers are 3 mil & center layer is 1.8 mil
Dimensions - 10-1/8 x 11.5" (254 x 292 mm) (WH)
 
 
Differences between Print File, Clear File and Albox Negative sleeves: 
 
Feature
Print File
Clear File
Albox
Capacity
42 frames
42 frames
42 frames
Info Recording strip
Yes. Built-in.
None
Yes. Swap-able tab provided.
Acid-Free
No.
Yes
Yes