This 2.5 x 5.5 Mini Spark card is perfect for leaving notes for your friends/family, holding a gift card, lunch box notes, and so much more. Mini Sparks are meant to be hand delivered. They can not be mailed. (If you wish to mail the card, please see our Big Sparks!) Each Mini Spark will come with a matching mini envelope. Interested in a custom bundle of Sparks? Mix and match individual mini sparks and use the following promo codes to get the discounted price! 5 Sparks ($5): bundle5 15 Sparks ($12): bundle15 30 Sparks ($22): bundle30