LetterAgent

Mail physical letters by just asking your AI assistant.


Status: LetterAgent is currently in private testing ahead of public launch. Everything on this page describes the service as it works today.

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Can I mail matches?

No. LetterAgent's shipping labels only cover Canada Post Xpresspost parcels under five kilograms, and matches are Class 4 dangerous goods that Canada Post will not carry. So no LetterAgent label can move a box of matches. Below is what the rules actually say and what to do instead.

What makes matches dangerous goods?

A match head packs an ignition system into something smaller than a grain of rice. Strike-anywhere matches carry phosphorus sesquisulfide and potassium chlorate right on the tip, so friction or heat alone can set them off. Safety matches are the tamer cousin: the phosphorus lives on the striking strip on the box, not on the stick. Canada Post lumps both kinds into its dangerous-goods classes and will not accept them, and the restriction applies even if you bury them inside another item. Hiding a restricted good inside a parcel to sneak it through is treated far more seriously than having it refused at the counter.

Are the US rules different?

Match typeCanada PostUSPS
Safety matches (book, strip, or box)Not acceptedAllowed in strict limited quantities, ground transport only, with quantity limits per parcel
Strike-anywhere matchesNot acceptedProhibited outright: too easy to ignite accidentally
Inside a gift or larger parcelStill not accepted: hidden dangerous goods countSame rule: concealment does not make them legal

Two things trip people up here. First, the US allowance for safety matches is narrow: small quantities, surface transport only, and the usual limited-quantity marking rules apply, so this is not a general green light for ordering cartons of them. Second, airline rules are stricter than postal rules: passengers can bring a small number of safety matches in their carry-on on most airlines, but no matches are allowed in checked baggage. That is the reverse of what people expect.

What are the practical alternatives?

For most people asking this question, the real need is simple: get fire-making ability to someone. A refillable butane lighter is not mailable either (pressurized gas), so the honest answer is usually to buy locally. Camping suppliers, dollar stores, and hardware stores sell matches cheaply in nearly every town in Canada and the US, and there is rarely a need to ship them at all. If you run a business that sells specialty matches (long fireplace matches, artistic packaging), you need a dangerous-goods shipping account with a carrier that accepts Class 4 goods under a limited-quantity exception, which is commercial shipping territory with proper marking, training, and documentation. That is not something a consumer label product handles.

What about mailing matches inside a greeting card?

The classic version of this question involves a joke gift: matches taped inside a birthday card. It fails the same rule. Canada Post treats matches as non-mailable matter no matter what surrounds them, and a greeting card with rigid lumps inside also gets flagged by automated sorting equipment for being non-machinable. There is no de minimis quantity for matches in Canadian mail: one matchbook is still matches.

Do strike-anywhere matches get treated differently from safety matches?

Yes, but the difference only matters in the US, where the two types sit on opposite sides of the line. Strike-anywhere matches carry the igniter chemicals on the head itself, so any rough surface can set them off: USPS prohibits them outright. Safety matches keep the reactive phosphorus on the box strip, so they cannot strike on a random surface: USPS permits them by ground in small quantities with the right marking. Canada Post does not split them: both types are refused. Either way, the consumer answer in Canada is the same, and the US exception is narrow enough that most people should still buy locally.

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LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.

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