บรรจุภัณฑ์ กระดาษ
Product of Hong Thai

Postal Box

(postal box)

Packaging boxes, postal boxes, from a box manufacturing factory, are available in all popular sizes, such as corrugated cardboard boxes, packaging boxes, and postal boxes in sizes 00, 0, 2A, A+6, A, 2B, B, B+7, C, CD, C+9, D, D7, D+11, E, F, G, H, and I. Made from corrugated cardboard, they are strong, durable, lightweight, and affordable, directly from the factory.

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What is a postal box, and why is it important?

Postal boxes that are produced and sold come in various sizes, and the durability and quality of the boxes also vary. Choosing both the size and type of box in relation to the product or the type of product helps not only in maintaining the quality of the items inside the box but also impacts costs. For example, selecting the right size box that is neither too small nor too large can help reduce costs and prevent negative effects on product pricing.

Since the prices of postal boxes vary by size, the appropriate use of packaging depends on its purpose. In today’s world, postal boxes are very important due to the booming online business, as these boxes are used to package products for delivery to customers.

5 Types of Postal Boxes from the Factory:

Flap Postal Box (Brown Gold KA) – Available in 20 sizes: 00, 0, A, B, C, D, E, F, G, H. Made from corrugated cardboard, these boxes are strong, durable, lightweight, and inexpensive. They are environmentally friendly and biodegradable.
Flap Postal Box RSC Box (Natural Brown KT) – Available in 10 sizes: 00, 0, A, B, C, D, E, F, G, H. Made from corrugated cardboard, these boxes are strong, durable, lightweight, and inexpensive. They are environmentally friendly and biodegradable, and feature FSC certification.
Kerry Postal Box – Available in 6 sizes: Mini, S, S+, M, M+, and L. These thick, strong boxes are made of 3 layers of white C-flute corrugated cardboard. The boxes are lightweight yet strong due to a special production formula for corrugated cardboard.
Corrugated Paper Parcel Box (RSC Box) – Available in 20 sizes. Made from 5 layers of BC-flute natural brown corrugated cardboard (KT), these boxes are strong and durable.
Die-Cut Postal Box – Available in 5 sizes: ก, ข, ค, ง, and จ. Made from 3 layers of B-flute white corrugated cardboard (KS), with a brown gold KA paper lining. The height of the corrugated cardboard is 3 mm. These boxes are easy to use, with a simple 4-corner drop design that increases strength.

What are the popular sizes of flap postal boxes?

Flap postal boxes, sizes A, B, C, and D, each have a specific material grade, which come in two types:

KA Grade: Brown gold paper, with a paper grammage ranging from 125 to 230. This grade is more resistant to moisture than previous specifications. It is commonly used for exports and products that need to be stored in cold rooms.
KT Grade (cheapest option): Natural brown paper made from 100% recycled paper, promoting environmental conservation. It is suitable for stacking and is ideal for export goods.

Each size of the flap postal box has its characteristics and uses. The following is a breakdown by size:

Size A: This box is durable and comes in various sizes, suitable for packing a wide range of products for shipping. Recommended products for Size A include stationery items like pencil boxes, pens, rulers; books such as textbooks, novels, magazines; kitchenware like plates, bowls, cups, spoons, and forks. These items should be properly packed to avoid damage during transit.
Size B: This box is also durable and comes in various sizes. It is suitable for packing a wide variety of items. Recommended items for Size B include toys (e.g., action figures up to 12 inches, toy cars, plastic animal figurines), beauty products (e.g., soap, skin creams, serums, vitamins), jewelry (e.g., necklaces, rings, earrings, watches), accessories (e.g., wallets, glasses), souvenirs, and gift shop items.
Size C: This box is larger than Sizes A and B and is also durable. It is suitable for packing various products. Recommended items for Size C include electronic devices (e.g., table fans, power banks, mobile phones, Bluetooth speakers, iPads), clothing (e.g., t-shirts, shirts, children’s wear, jeans), bedding (e.g., blankets, towels), and dry foods (e.g., snacks, dried fruits, nuts, dried pork, sun-dried beef).
Size D: This box is larger than Sizes A, B, and C and is very durable. It is suitable for packing various products. Recommended items for Size D include car and motorcycle spare parts (e.g., screws, carburetors, spark plugs, belts, motorcycle inner tubes), clothing, bedding, and glass or ceramic items (e.g., wine glasses, ceramic crockpots, decorative vases) that are well-packaged to ensure safety during transit.