Double Window Envelopes (3 3/4" x 8 5/8") Use this Checkomatic double window security envelope for convenience when mailing checks. This envelope is perfect when purchased with our pre-printed check stock. This envelope has a blue tint interior for additional security.
designed to fit your printed checks!read more.
Peel & Seal Double Window Envelopes (3 5/8" x 8 11/16") Checkomatic Double window security Envelopes Available in Peel & SealNo water or sponges required. Simply remove protective liner, fold flap and press for a quick secure seal.
Use for convenience when mailing checks. This envelope is perfect when purchased with our pre-printed check stock. This envelope has a blue tint interior for additional security.
designed to fit your printed checks!read more.
