250 First-Class Package International Service

251 Description and Physical Characteristics

251.1 General

The First-Class Package International Service™ classification encompasses the categories of international mail that before May 14, 2007, were categorized as small packets.

251.2 Physical Characteristics and Standards — Packages (Small Packets)

251.21 Weight Limit

The weight limit for a First-Class Package International Service package (small packet) is 4 pounds.

251.22 Dimensions — Other Than Rolls

Packages (small packets) other than rolls must be within the following dimensions:

1. Maximum length: 24 inches. Length is the longest dimension.
2. Maximum length, height, and depth (thickness) combined: 36 inches.
3. Minimum size: Large enough to accommodate the postage, address, customs form, and other required elements on the address side.

251.23 Dimensions — Rolls

Rolls must be within the following dimensions:

1. Minimum length: 4 inches.
2. Minimum length plus twice the diameter combined: 6-3/4 inches.
3. Maximum length: 36 inches.
4. Maximum length plus twice the diameter combined: 42 inches.

251.24 Quality

Packages (small packets) must be constructed to be strong enough to withstand normal handling.