The cards are the size and shape of traditional playing cards (57 x 87mm approx.) and feature a coloured stars design on one side and a blank side for you to use to make your own sets of cards. There is a space left in the design for you to write the name of your set e.g. CVC Words Set 1. You can write on the cards with a variety implements e.g.ballpoints, felt pens, gel pens.