--- type: restriction id: usps-canned-heat-sterno asset: shipping-restrictions-by-class title: "Canned heat (Sterno) — Postal shipping restrictions by item category" sources: - https://pe.usps.com/text/pub52/pub52c3_022.htm source_quote: "Canned Heat (Sterno): Considered a flammable liquid and typically has a flashpoint between 40° F (4° C) and 80° F (27° C). It is mailable if it qualifies as a Limited Quantity surface material" generated: true harvested: 2026-08-04 stale_after: 2027-08-04 item_category: "Canned heat (Sterno)" carrier: "USPS" restriction_type: "restricted" scope: "domestic mail via surface transportation" conditions: "Mailable if qualifies as Limited Quantity surface material and meets quantity limitations and packaging requirements; Packaging Instruction 3A must be followed" verified: true unverified_fields: carrier, conditions --- **Item category:** Canned heat (Sterno) **Carrier:** USPS **Restriction type:** restricted **Scope:** domestic mail via surface transportation **Conditions:** Mailable if qualifies as Limited Quantity surface material and meets quantity limitations and packaging requirements; Packaging Instruction 3A must be followed > Canned Heat (Sterno): Considered a flammable liquid and typically has a flashpoint between 40° F (4° C) and 80° F (27° C). It is mailable if it qualifies as a Limited Quantity surface material Source: