Description
Light cream colored, buffered with 3% Calcium Carbonate (8.5 pH) acid/lignin-free, envelopes feature outside seams to provide a smooth interior surface. Sturdy heavyweight 6 pt. envelopes pass the “Photo Activity Test”.
Light cream colored, buffered with 3% Calcium Carbonate (8.5 pH) acid/lignin-free, envelopes feature outside seams to provide a smooth interior surface. Sturdy heavyweight 6 pt. envelopes pass the “Photo Activity Test”.