Is there a minimum size for USPS?
To be eligible for mailing at the price for letters, a piece must be: Rectangular. At least 3-1/2 inches high x 5 inches long x 0.007 inch thick. No more than 6-1/8 inches high x 11-1/2 inches long x 1/4 inch thick.
Can a package be too small to ship?
Maximum Size USPS Retail Ground pieces may measure up to 130 inches in combined length and girth (but will be charged oversized prices). Regardless of the size of the mailpiece, the maximum mailable weight of any mailpiece is 70 pounds. Some classes of mail have lower weight limits.
What size is the smallest USPS box?
USPS Priority Mail Flat Rate Options
| Type | Size | Price |
|---|---|---|
| Small Box | 8 11/16″ x 5 7/16″ x 1 3/4″ | $9.45 |
| Medium Boxes | 11 1/4″ x 8 3/4″ x 6″ or 14″ x 12″ x 3 1/2″ | $16.10 |
| Large Box | 12-1/4″ x 12-1/4″ x 6″ or 24-1/16″ x 11-7/8″ x 3-1/8″ | $21.50 |
| APO/FPO Box | 12-1/4″ x 12-1/4″ x 6″ | $20.00 |
Can you ship a 4x4x4 box?
What Can I Ship with 4x4x4” Box? Not all shipping boxes can accommodate items, so you need to find an appropriate box that can suit the product-type you have. If your products are small items like jewelry, mugs, makeup, perfumes, and more, the 4x4x4” Corrugated Boxes are ideal for you.
Is there a minimum size for packages?
Generally, commercial parcels must measure: At least 3 inches high x 6 inches long x 1/4 inch thick. Except for USPS Retail Ground and Parcel Select, no mailpiece may measure more than 108 inches in length and girth combined.
Can a box be too small to ship USPS?
When shipping a box, the minimum dimensions are 6x3x0. 25″. If your box is smaller than that, USPS and UPS could technically reject your package… although we rarely see this happen.
How much is a USPS small Flat Rate box?
Priority Mail Flat Rate Products
| Free Supplies8 | Shipping Price |
|---|---|
| Small Flat Rate Box | $8.25 Commercial Base $9.45 at Post Office & Online |
| Medium Flat Rate Box — 1 (top-loading) | $14.25 Commercial Base $16.10 at Post Office & Online |
| Medium Flat Rate Box — 2 (side-loading) | $14.25 Commercial Base $16.10 at Post Office & Online |
Does USPS care about dimensions?
Pieces going to a domestic location may not measure more than 108 inches in length and girth combined. USPS Retail Ground® mailpieces are an exception; they may not measure more than 130 inches in length and girth combined.