Specifications include, but are not limited to: This Invitation for Bid (IFB) is issued by the Office of Procurement (OP) for the Division of County Operations (DCO) to obtain pricing and a contract(s) for blank envelopes. 1. Description: #10 all-purpose, blank, commercial window envelope: 4 1/8” width x 9 ½” length single window • Adhesive: dry gum (no self-seal) • Flap on top • Weight: 24# • Window size: 3” x 4 ½” • Window Position: ½” from left fold – 5/8” from bottom fold • Inside Tint: Security Tint required 2. Description: Blank, White booklet with vertical window envelope: 9” x 12” • Adhesive: dry gum (no self-seal) • Flap on Top • Weight: 28# • Window size: Length 2.875” x Width 4.5” • Window Position: 1” from the left-hand side and 1.375” from the top of envelope • Inside Tint: Standard Black Note: DHS reserves the right to request additional envelopes for stock purposes. 1. The Contractor shall use white wove, 24#, bright white paper for envelopes purchased under the contract. 2. The Contractor may use either virgin paper or recycled paper for providing envelopes under a resultant contract. 3. Paper stock utilized must meet or exceed the U.S. Postal Service regulations for automated mailings.