ARTISTRO 30 Watercolor Postcards 4x6 Inches - Heavyweight Paper Cards 140lb (300gsm) - Blank Postcards For Mailing, DIY Thank You Card, Greetings Cards, Easter, Invitations, Birthday And More

— Set of 20 white cards; — White 360 lb (600 gsm), 0.03 kraft paper, acid-free; — Card size is 4x6 in (10.1x15.2 cm); — Brightness rating - 97 Lumens. The paper is not intended for printers. Assembled in the USA. Set of 20 white cards White 360 lb (600 gsm), 0.03 thick kraft paper, acid-free Brightness rating - 97 Lumens. Smooth paper finish Works great with ballpoint pens, gel pens, colored and graphite pencils, markers