Keep It Fun, and make someone smile, with our tennis ball bouncing along to spell a very special "Thank You." The A4 size, 4 1/4" x 5 1/2", cards are printed on heavy 110 lb. cardstock. The card inside is blank providing ample room for you to write a personal message. Cards come in packs of 4, presented in an attractive, handmade cardstock folder (paper designs are varied and chosen by us) and wrapped in cellophane for protection. For your convenience, heavyweight envelopes are included.