An anniversary sticker is a small, purpose-built seal designed around a single occasion — a company's five-year mark, a couple's wedding anniversary, a nonprofit's founding date — rather than an everyday product label meant to be reprinted indefinitely. That focus changes how they're usually designed: a short line of copy (a date, a number, a phrase like "10 Years"), a compact shape that reads well at a glance, and a finish that signals celebration rather than plain information. Round and oval shapes are the most common because they mimic the look of a traditional wax seal or medallion, though square, scalloped, and custom die-cut shapes show up regularly too, especially for weddings and milestone birthdays. Metallic foil stamping (gold, silver, or rose gold) is a popular upgrade for anniversary stickers specifically, since it reads as more formal than flat ink and photographs well on invitations or favor packaging. For less formal use — case count labels on a batch of anniversary-edition product, for instance — a straightforward gloss or matte finish on standard adhesive stock does the job without the added cost. Typical applications include sealing envelopes on invitations, decorating favor bags and boxes at anniversary parties, marking limited-edition or anniversary-run product packaging, and adding a milestone callout to marketing materials for a business celebrating a founding date. Because they're often ordered around a single event, print runs tend to be smaller and turnaround time matters more than it does for a sticker that will be reordered for years. When specifying an anniversary sticker, the two decisions that matter most are size and finish. Size should match how the sticker will actually be used — a small 1.5" to 2" seal works for sealing an envelope flap, while a 3" to 4" sticker gives more room for a design element plus text on a favor box or product label. Finish is largely a matter of formality and budget: foil stamping and metallic inks cost more but suit weddings, corporate milestones, and anything meant to look special-occasion rather than everyday. Adhesive should be picked with the surface in mind too — paper stock and a light adhesive work fine for envelopes and gift bags, while a stronger permanent adhesive is worth specifying for anything going on glass, plastic packaging, or product boxes that will be handled repeatedly before the event.