Category : Business/ServicesQuality Park Tyvek Plain Booklet EnvelopesPrice: USD59.39 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 weOther products from Bulk Office Supply |