WEBAmazon.com: Thanks You Cards. 1-48 of over 10,000 results for "thanks you cards" Results. Check each product page for other buying options. Overall Pick. Thank You Cards with Kraft Envelopes and Stickers, Bulk Pack of 20, 4x6 Inch Professional Looking | Suitable for Business, Baby Shower, Wedding, Small Business, Graduation, Bridal Shower, Funeral.