Item Number E9922S13 Use these self seal envelopes with business size checks printed on Check Launch blank check stock. The double cellophane windows and security tint ensure the privacy of information. Envelope Size: 8 3/4 x 3 3/4 Top Window Size: 1 x 3 1/4 3/8 from left and 2 1/2 from the bottom Bottom Window Size: 1 5/16 x 3 1/4 3/8 from left and 13/16 from bottom Security Lined - Blue Tint Pricing is for 500 Envelopes Shipping is Free Ships direct from the plant Shipping is Free Pricing is for 500 envelopes