Buffered Negative Strip Envelope with Tab

Off white colored, buffered with 3% Calcium Carbonate (8.5 pH) acid/lignin-free, envelopes feature outside seams to provide a smooth interior surface. Tabbed envelope, 25 left tab and 25 right tab.  Sturdy heavyweight 6 pt. envelopes pass the “Photo Activity Test”.

Dimensions: 3 5/8 x 10 1/4 in.

Price per package of 50.