First Class Tracked Mail: All freebies - Button & Sticker, Tracked shipping in a ridged eco-friendly cardboard mailer with a quicker shipping time. More expensive, but the standard for most orders Stamped Mail: Just the Sticker freebie, shipped with no tracking in a stamped recycled paper envelope. No guarantees of arrival, and slowest shipping time. Only available for flat sticker orders under 1.2 ounces. Cheapest mailing option.