Excite customers with these cheery custom cards with holiday sounds! Just open the card to activate a 10-second pre-recorded sound from our exclusive library or one that you've customized. The holiday medley includes Jingle Bells, Santa Claus is Coming to Town, and Frosty the Snowman. Blank white envelopes are included. Use our four color process imprinting technique to make this your own and send it out to customers to bring a smile to their faces!