Unique mathematic equations and graphics black envelope liner

An easy way to spruce up your envelopes! Complete the invitation suite with stunning liners sure to wow.

• Liner Dimensions: 4.875" x 6"
• Envelope Compatibility*: Liners fit A2 size square flap white envelopes that come with Zazzle's 5.5" x 4.25" flat & folded cards. May not fit other similar square flap envelopes.
• Printed on white 70 lb / 5.8 pt text weight paper with a smooth vellum finish
• For easy assembly, liners include an adhesive strip. Slip the liner into the envelope (center the liner in the envelope), remove the adhesive backing and easily seal it into place.

*Please note: White envelopes are NOT automatically included, but can be purchased by checking the "Add Envelope" box.