Based the best selling book Lab Rules, this notecard set offers six virtues of our canine companions: Commitment, Patience, Determination, Initiative, Serenity, and Potential. Blank on the inside, they can be personalized for a specific occasion or simply to send someone a little cheer. Boxed set contains 2 each of 6 different designs and 12 white envelopes. Cards measure 5 3\4 x 4 1\4.