Classic! I left my heart in San Francisco. Letterpress printed by hand in our Portland, Oregon studio on Mohawk FSC* certified 100lb. paper. SIZE: 4 Bar, 3.5 x 4.875 inches folded. Paired with recycled envelope. Blank inside. Protected by plastic sleeve. PLEASE SEE SEPARATE LISTING FOR BOXED SETS WHICH HAVE A MINIMUM PURCHASE OF 3 per unit INSTEAD OF 6 per unit. *What Does FSC Certified Mean? The Forest Stewardship Council (FSC) certifies forests to ensure their environments are responsibly managed and meet the highest environmental and social standards. According to the FSC: FSC certified forests must be managed to the highest environmental, social and economic standards.