Quality Park Tyvek Plain Booklet Envelopes - Catalog - #9 1/2 - 9" Width x 12" Length - 14 lb - Self-sealing - Tyvek - 100 / Box - White
QUAR2860
Open-side design of these Open-side Booklet Envelopes allows easier insertion of contents. Convenient Flap-Stik closures require no moisture to seal. Envelopes are made of Tyvek which repels moisture and is almost impossible to puncture or tear, yet weighs only half as much as paper.