Buy the Kate Aspen® Woodland Baby Shower Invitation & Thank You Card Bundle at Michaels.com. The Woodland Baby invitation bundle includes 25 sets of thank you postcards, white envelopes, invitations, books for baby cards, and diaper raffle cards. Our woodland baby shower bundle is ideal for all; whether you're having a baby boy shower, baby girl shower, or letting it be a surprise with a gender neutral baby shower.