Our premium postcards printed on a sturdy 18 pt Cardstock C1S. . UV coating on 1 side. Includes full color printing on both sides. Additional available stocks include: 100lb gloss cover, 14pt. Cardstock, 14 pt Uncoated Cardstock, 100lb. linen cover and 18pt. Cardstock (c1s). Matte/Full, AQ Coating and spot UV is available. Complete direct mail and EDDM services are available.