# Mail piece design specs

Browse our available mail formats and associated design specs:

<table data-view="cards"><thead><tr><th></th><th data-hidden></th><th data-hidden></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td><strong>Postcards</strong></td><td></td><td></td><td><a href="mail-piece-design-specs/postcards">postcards</a></td><td><a href="https://1775164782-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiXDYGxBp6aAwhpEhTMNC%2Fuploads%2FoyLQNeu9tBgccICe3mAZ%2FScreen%20Shot%202022-11-02%20at%203.25.25%20PM.png?alt=media&#x26;token=38e53163-1ab5-4fb7-905c-ae9d50218cb4">Screen Shot 2022-11-02 at 3.25.25 PM.png</a></td></tr><tr><td><strong>Self-Mailers</strong></td><td></td><td></td><td><a href="mail-piece-design-specs/self-mailers">self-mailers</a></td><td><a href="https://1775164782-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiXDYGxBp6aAwhpEhTMNC%2Fuploads%2FLpkEDJji3H2L7UqmyTDH%2Fself-mailer-icon.png?alt=media&#x26;token=e9893d40-5fa2-442f-a842-94e48e392bab">self-mailer-icon.png</a></td></tr><tr><td><strong>Letters</strong></td><td></td><td></td><td><a href="mail-piece-design-specs/letters">letters</a></td><td><a href="https://1775164782-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiXDYGxBp6aAwhpEhTMNC%2Fuploads%2FLFskXQ24Ks8ungpa6Y9l%2Fletter_card.png?alt=media&#x26;token=f76f572b-deef-4b8a-a44a-a98ddad00e40">letter_card.png</a></td></tr><tr><td><strong>Letter Envelopes</strong></td><td></td><td></td><td><a href="mail-piece-design-specs/letter-envelopes">letter-envelopes</a></td><td><a href="https://1775164782-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiXDYGxBp6aAwhpEhTMNC%2Fuploads%2Fc3ShpOHILndbKNZVRBx5%2FScreen%20Shot%202022-11-02%20at%203.38.26%20PM.png?alt=media&#x26;token=93bbea3d-962a-438e-90e3-752f9c9a3280">Screen Shot 2022-11-02 at 3.38.26 PM.png</a></td></tr><tr><td><strong>Letter Add-ons</strong></td><td></td><td></td><td><a href="mail-piece-design-specs/letter-add-ons">letter-add-ons</a></td><td><a href="https://1775164782-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiXDYGxBp6aAwhpEhTMNC%2Fuploads%2FDhjU1e2oH6cQUnhfLPpl%2FScreen%20Shot%202022-11-02%20at%203.41.52%20PM.png?alt=media&#x26;token=85ac46fb-16a3-41aa-bad6-5620d25f10ab">Screen Shot 2022-11-02 at 3.41.52 PM.png</a></td></tr><tr><td><strong>Checks</strong></td><td></td><td></td><td><a href="mail-piece-design-specs/checks">checks</a></td><td><a href="https://1775164782-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiXDYGxBp6aAwhpEhTMNC%2Fuploads%2FM4modG9iPikfr8HIq5Fr%2FScreen%20Shot%202022-11-02%20at%205.05.44%20PM.png?alt=media&#x26;token=0dc92670-29b9-496d-ae70-1660da582f3f">Screen Shot 2022-11-02 at 5.05.44 PM.png</a></td></tr><tr><td><strong>Snap Packs</strong></td><td></td><td></td><td><a href="mail-piece-design-specs/snap-packs">snap-packs</a></td><td><a href="https://1775164782-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiXDYGxBp6aAwhpEhTMNC%2Fuploads%2FrRzhkkZelpZuYCH8MEZQ%2Fsnappack_card.png?alt=media&#x26;token=6e9895b3-4d89-4224-a5ec-5daad0b82920">snappack_card.png</a></td></tr><tr><td><strong>Booklets</strong></td><td></td><td></td><td><a href="mail-piece-design-specs/booklets">booklets</a></td><td><a href="https://1775164782-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiXDYGxBp6aAwhpEhTMNC%2Fuploads%2FAPS8iMbTYWS37zrXd1ax%2Fbookletcover.png?alt=media&#x26;token=b3cf8957-72d5-41eb-a3cb-d24df30cbce8">bookletcover.png</a></td></tr><tr><td><strong>Custom Mail</strong> </td><td></td><td></td><td><a href="mail-piece-design-specs/custom-mail">custom-mail</a></td><td><a href="https://1775164782-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiXDYGxBp6aAwhpEhTMNC%2Fuploads%2FNmyomx1Q7wKFQtHEekaq%2Fcustom_mail.png?alt=media&#x26;token=384a3eee-d2b4-47c7-b2b6-d9e53e91a410">custom_mail.png</a></td></tr></tbody></table>