Some carriers have strict package requirements for specific mail classes. Please refer to the shipping instructions below when packing your item to avoid any unexpected charges from the carrier or package returns.
Additionally, please note that seller will be responsible for any delays or cancelations due to improper shipping or failure to meet Mercari shipping guidelines.
Packages over one pound are always rounded up to the nearest pound. For example, an item that weighs 3.25 lb will require a 4 lb label.
FedEx Ground, Home and Ground Economy
- Completely remove old hazardous materials labels. If hazardous markings are visible, we can’t cover your package under Shipping Protection. When reusing a box, we recommend flipping it inside out
- For more information on shipping hazardous material, please refer to FedEx Hazardous Materials Service Guidelines
- Take the package to a staffed FedEx location. Find a location
- Confirm shipment in your Order Status after shipping
- FedEx Economy cannot exceed 5lbs in actual or dimensional weight, and the longest side cannot be more than 17"
UPS
- Completely remove old hazardous materials labels. If hazardous markings are visible, we can’t cover your package under Shipping Protection. When reusing a box, we recommend flipping it inside out.
- For more information on shipping hazardous material, please refer to UPS Hazardous Materials Service Guidelines
- Take the package to a staffed UPS location. Find a location
- Confirm shipment in your Order Status after shipping
- UPS Ground Saver (formerly SurePost) cannot exceed 5lbs in actual or dimensional weight, and the longest side cannot exceed 17"
USPS
- Completely remove old hazardous materials labels. If hazardous markings are visible, we can’t cover your package under Shipping Protection. When reusing a box, we recommend flipping it inside out.
- Take the package to a staffed USPS location. Find a location
- Confirm shipment in your Order Status after shipping
- USPS Ground Advantage or Priority Mail cannot exceed 20lbs
USPS Hazmat
All USPS shipments containing hazardous material must be shipped via USPS Ground Advantage™ (formerly First-Class). Hazardous materials shipped via USPS Priority Mail service must be declared with appropriate hazardous material labeling (Hazmat - Surface Transportation only) so it can be properly separated for USPS Ground Advantage™ (ground or boat). Learn more.
USPS First Class Envelope
Make sure your sealed envelope is:Weight: Under your label’s weight limit
Length: Between 5 and 11 1⁄2 inches
Width: Between 3 1⁄2 and 6 1⁄8 inches
Thickness: Up to 1⁄4 inch – with no lumps
No bubble mailers, cardboard, or plastic packaging – the envelope should be flexible.
Max shipping protection is $20.
Because of the way the USPS processes envelopes, they may be bent in transit.
USPS Media Mail
- Weight: Your packed box should weigh less than the limit shown on your label
- Restrictions: Only pack the materials you’re selling. Don’t include any advertising. Postal workers can open your box to make sure your items qualify for Media Mail
- Preparing the box: In case USPS checks your box, here’s how you can help prevent damage to your item
- Use a box that’s not too big for your item, so you can minimize padding
- Make it easy to see what’s inside without taking it out
- Include a packing slip that lists the items you’re sending