Use Great Papers 38 lb. cover stock to create your own impressive and affordable white postcards! These 4-up postcard sheets are laser and inkjet printer compatible and pre-perforated for easy separation after printing. Each postcard measures 4.25 x 5.5 . This pack contains 50 4-up sheets for a total of 200 postcards. Envelopes not included. • Create your own impressive and affordable white postcards. • Laser and inkjet printer compatible. • White 38-lb. cover stock. • Perforated for easy separation. • Card size: 4-1/4 x 5-1/2 ; 4 cards per 8-1/2 x 11 sheet. • Postcards meet postal requirements. • 50 sheets per pack/200 cards per pack. • Envelopes not included. • Sold as 200/Pack.