Our square greeting cards are printed on smooth, eco-friendly #324gsm cardstock, providing a high-quality feel for memorable greetings. These cards are perfect for any occasion and come with coordinating envelopes. Order Fulfillment: Square greeting cards are printed and ready to ship within one week, reaching U.S. and international destinations in approximately two weeks. Add-ons and Customizations: Available in various sizes, colors, and paper options. Additional envelope styles are also offered. For bulk orders, wholesale pricing, and custom designs, please contact us.