Drop it in a blue collection box or Post Office lobby mail slot.Put it in your mailbox for carrier pickup.If your package is less than one-half inch thick and weighs less than 10 oz, you may use postage stamps and do one of the following:

NOTE: Priority Mail and Priority Mail Express come with free boxes you can pick up at your Post Office or order online. Tape your box so that it closes flat on all sides and reinforce the flaps with 2-inch wide packing tape.Pack your box to protect your contents and to make sure the box arrives intact. In most cases, packages may not be more than 108 inches in total length and girth (130 inches for USPS Retail Ground ®).Packages must not weigh more than 70 lbs.

Remember, size and weight determine price:

TIP: If you're going to use Priority Mail and Priority Mail Express, the boxes come in standard sizes and you can get them at your Post Office ™ location or order online, free! Order Shipping Supplies If you’re reusing a box, make sure all old logos, shipping labels, and addresses are covered or blacked out.Use a sturdy box with enough room to add cushioning for fragile items and to prevent items from shifting.

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