Write a real thank-you to someone who shaped you. We deliver it on a date you pick — on their birthday, an anniversary, or just a day they need to be reminded of who they are to you.
There's a small list of people in everyone's life who matter disproportionately. The teacher who said the thing. The friend who showed up the worst week. The parent or grandparent whose voice still runs through your head. The early-career mentor. The partner of a past relationship who treated you better than you treated yourself. Most of us never thank them properly. Not because we don't feel it — we feel it — but because the moment to say something passed, and now the thank-you would feel awkward or out of nowhere.
A gratitude letter is the form designed exactly for this. You write today, in detail, what this person did for you and what it meant. Not a vague "thanks for everything." The actual specifics. The conversation you still think about. The gesture you still rely on. The way you do something now because of them. Then we deliver it on a date you pick — their birthday, the anniversary of the year you knew them best, or just a random day they didn't see coming.
Research on gratitude letters from positive psychology is unusually consistent: writing them improves the writer's wellbeing for weeks, and receiving one is among the most emotionally durable experiences anyone reports. People keep these letters in drawers for the rest of their lives. The cost of writing one is forty minutes. The reward, on both sides, lasts decades.
Three simple steps. One beautiful moment, later.
Pour your heart onto paper. Use our Letter Helper if you'd like prompts. You decide when it should be opened — 1 year or 2 years from now.
Mail your sealed letter to our PO Box. We store it in a climate-controlled, fireproof safe — untouched, unopened, waiting.
On your chosen date, we mail your original, handwritten letter with tracking. Your words arrive exactly when they're meant to.
Your letter is in safe hands
You're trusting us with something irreplaceable. Here's what we do about that.
Letters are stored in climate-controlled, fireproof safes — not filing cabinets or cardboard boxes. We treat every letter as irreplaceable, because to someone, it is.
Every letter ships with an active tracking number, so you (or the recipient) know exactly when it's on its way.
If your address changes before your delivery date, email us anytime and we'll update your file. Your letter follows you — no extra fee.
If Hold My Letter ever closes, every stored letter is immediately mailed back to the sender's return address. No exceptions.
One letter. One delivery. One beautiful moment when it returns.
Emailed on your chosen date between 6 months and 2 years out. Add physical mailing for a small fee. Available worldwide — the right choice if you're writing to (or from) outside the United States.
One-time payment
+$12 to add physical mailing (first address)
One-time payment
+$12 to add physical mailing (first address)
Physical mailing add-on: +$12 for the first address. Each additional unique address: +$2.
The original Hold My Letter experience. Handwrite your letter, seal the envelope, and mail it to our PO Box. We store it in a climate-controlled, fireproof safe until your chosen delivery date — then send it back with tracking, still sealed.
One-time payment
One-time payment
🇺🇸 Currently available for US addresses only. International shipping coming soon!
Everything you need to know, answered plainly.
It only takes 20 minutes. The moment it lands will be worth years.
12 chapters. Age-by-age writing scripts. Read on the site.