Product Details Basis Weight 24 lb Bond Color Family White Color(s) White Envelopes/Mailers Closure Self-Adhesive Envelopes/Mailers Exterior Dimensions 3.63 x 8.63 Exterior Material(s) Paper Stock Finish Wove Flap Type Square Footnote 1 Bond basis weight is measured in pounds per 500 uncut 17" x 22" sheets of paper Global Product Type Business/Trade Envelopes Opening Open Side Post-Consumer Recycled Content Percent 0% Pre-Consumer Recycled Content Percent 0% Product Biodegradability Indicator N Product Biodegradability in Days 0 Product Compostability Indicator N Seam Type Side Security Tinted Yes Total Recycled Content Percent 0% Trade Size #8 5/8 Window Position Upper Left,Lower Left Window Size 4 x 1,3.5 x 0.88