If you need Checks, Journals, or Binders that are compatible with Deluxe 5Forms.com has the products you need at lower prices like the 709335. The SSENV starts at: $58.80. 5Forms offers a 100% Satisfaction Guarantee on all products and Ground Shipping is free to the US (Shipping Charges for AK, Islands, US Territories, and Canada).
You can Order online 24/7 here SSENV #9 Double Window Envelope 8 7/8 x 3 7/8″ or speak to Customer Service at 
1-855-536-7675.
Customer service agents are available Mon-Fri 9am-5pm EST.