TOPS? W-2 Laser Double Window Envelope TOPS? W-2 Envelopes fit your W-2 forms for the Social Security Administration. TOPS? tax envelopes have a security tint and pattern to obscure confidential information. Double windows fit W-2 forms precisely so private information stays concealed. A peel & seal closure saves you time. Preprinted with Important Tax Return Document Enclosed. Seam Type: Side; Flap Type: Commercial; Security Tinted: Yes; Opening: Open Side. Global Product Type: Form Envelopes Seam Type: Side Flap Type: Commercial Security Tinted: Yes Opening: Open Side Envelopes/Mailers Closure: Gummed Exterior Material(s): Paper Stock Finish: Wove Basis Weight: 24 lb Bond Envelopes/Mailers Exterior Dimensions: 5.63 x 9 Color(s): White Color Family: White Format/Border: W-2 Tax-Form Format No Border Preprinted Message: Important Tax Return Document Enclosed Window Position: Upper Left; Lower Left Product Biodegradability in Days: 0 Pre-Consumer Recycled Content Percent: 0% Post-Consumer Recycled Content