12-1/2 x 9-1/2 x 1″ – Expandable Stay Flat

Stay Flat Gusseted Chipboard Envelopes

Strong chipboard mailers protect photos and documents during shipping.

– Manufactured from .020 white chipboard.
– Light-weight to save on postage.
– No additional stiffeners needed.
– Gusset expands to hold items up to 1″ wide.
– Peel and seal closure.
– Pull tab tear strip for easy opening.