Yes. Magnets ship domestically every day, and ground service is the safe default for anything with real pull. The limits live in the air network: USPS prohibits magnetized material stronger than 0.00525 gauss measured at 15 feet from air transportation, which is why powerful neodymium sets belong on trucks. Weak decorative magnets clear either way.
Weak magnets fly, strong ones drive. The reference prices below were quoted live on 2026-07-27.
Magnets are dense, so a small box gets heavy fast. Our reference is a live quote for a 10 × 8 × 4 in box at 1 lb from Newark, NJ (07102) to Atlanta, GA (30303); scale up mentally for bigger stacks. Prices below are final checkout totals.
| Carrier | Service | Price | Quoted transit |
|---|---|---|---|
| USPS | Ground Advantage | $9.91 | 6-7 business days |
| UPS | Ground | $10.31 | 3-4 business days |
| USPS | Priority Mail | $14.49 | 4-5 business days |
| UPS | 3 Day Select | $15.13 | 3-4 business days |
| UPS | 2nd Day Air | $16.58 | 2-3 business days |
The two ground rows at the top are the ones to read if your magnets are strong; the air-capable tiers below them only apply when the field at package surface is genuinely tame. When strength is unknown, the couple of dollars saved on ground is also the compliant choice, a rare alignment.
Per pe.usps.com Pub 52, Packaging Instruction 9B, checked 2026-07-27: magnetized material with a field strength above 0.00525 gauss at 15 feet is barred from air transportation, and air-eligible packages need the magnetized-material warning label on the address side. Via surface, the same instruction treats the material as unregulated, with markings required when the field is unconfined.
Pub 52's packing approach is practical physics: oppose the polarities, add keeper bars or steel shielding, and keep the magnet centered with space to every box wall. Done right, the package reads as boring cardboard to sorting equipment. Done wrong, it collects staples, clings to rollers and can nudge navigation instruments, which is the whole reason the air rule exists.
Magnets appear among the regulated-material examples on our shipping restrictions page, so name them plainly when you quote. A description like ceramic craft magnets or neodymium magnet set gives the risk checks what they need, and ground services will always be on the resulting list.
Only weak ones. Per pe.usps.com Pub 52 Packaging Instruction 9B, checked 2026-07-27, magnetized material with a field strength greater than 0.00525 gauss measured at 15 feet is prohibited from air transportation. Below that threshold, air service is permitted with the proper marking.
A single decorative magnet in a padded box is the routine case parcel networks see constantly. If you cannot measure field strength and are shipping anything stronger than souvenirs, pick a ground service and pack with shielding; that choice is safe regardless of the measurement you did not take.
Our 10 x 8 x 4 in, 1 lb reference quote from Newark to Atlanta on 2026-07-27 ran from $9.91 with USPS Ground Advantage up to $16.58 for UPS 2nd Day Air, all charges included in each figure.
Orient polarities to oppose, add keeper bars or steel shielding, and center the stack in a strong box with distance to every wall. Pub 52 describes this approach for confining the field. An unshielded neodymium block will pin itself to conveyors and other parcels, and carriers do not enjoy that.