Off White colored acid/lignin-free envelopes feature outside seams to provide a smooth interior surface. Sturdy heavyweight six pt. off-white envelopes pass the “Photo Activity Test”and fit comfortably in our negative/print storage boxes. Envelopes open on the short side.
Unbuffered envelopes are 7.5 pH
Buffered with 3% Calcium Carbonate 8.5 pH
Due to fuel surcharges, additional shipping charges may apply.