ComplyRight Self Seal Security Tinted Double Window Tax Envelopes, 5 5 8" x 9", 25 Pack Nitrile Glove spills and stains Coffee Tea Brewer Dual spills and stains Set of 24 bricks are made from a special see through silicone in 4 colors which is soft and flexible to the touch and safe to handle by children of any age Brand Name: ComplyRight Color Family: White Envelope Closure: Self Seal Envelope Flap Style: V Flap Envelope Pack Size: 25 Per Pack Envelope Paper Finish: Matte Envelope Size: Other Envelope Type: Tax Envelope Window Location: Double Left Height in Inches: 5 This double window envelope accommodates the 2 Up 1099 tax form