Avery 3380 printable postcards are crafted from 65 lb / 176 gsm textured white cardstock, measuring 4.25" x 5.5". These cards feature micro-perforations for clean separation and are compatible with both inkjet and laser printers, supporting double-sided printing for versatile designs. Ideal for custom invitations, announcements, thank you cards, and marketing materials, they meet USPS postal regulations. Use Avery Design & Print templates for easy customization. Heavyweight textured cardstock offers a premium look and feel, suitable for professional branding and personal projects. Delivered in India via ExpressBox, arriving in 11-13 days, duties included, with a 14-Day Smile Guarantee.