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  6. The most popular and low-cost 【caramel box (sack box)】.

The most popular and low-cost 【caramel box (sack box)】.

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last updated:May 08, 2026

ケイパック
ケイパック
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This is the most popular type of box, glued on the sides with adhesive. It is a low-cost box used as a minimum sales unit in various industries.

"I want a versatile box that is user-friendly and blends well with any product at a low cost." — This ideal is embodied in the caramel box (sack box). Among various packaging options, it boasts an overwhelming popularity as the most common type, with its greatest appeal lying in its excellent cost performance, which directly relates to ease of implementation. The simple design, with one side glued, exemplifies functional beauty stripped of excess. While keeping manufacturing costs down, it continues to support the minimum sales units across various industries. Its usability is outstanding, featuring an intuitive structure that simply requires inserting the top and bottom. This significantly enhances the efficiency of product packing and supports smooth shipping. Particularly as individual packaging for relatively lightweight products such as cosmetics, pharmaceuticals, and daily goods, its capabilities are well established. Trusted to the extent that it is often said, "If in doubt, choose this," it is the standard in the packaging world. Would you like to present your products in a more accessible and smarter way?

    Packaging materialsFood containers and packagingCosmetic containers and packaging
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The most popular and low-cost 【caramel box (sack box)】.

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  • Sack box (type with top and bottom in a slot-in format)
  • Special site - Product/service details - https://pr.mono.ipros.com/kpac/product/

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◆Sack Box (Features) This is the most popular type. It is used in various industries as a low-cost box. (Structure/Shape) The top and bottom surfaces have a plug-in structure, which allows you to insert the contents during the packing process. (Main Uses) It is widely used as an individual packaging box for relatively lightweight products.

Price information

The specifications such as manufacturing lot, base paper used, number of print colors, surface processing, dimensions, and shape can vary significantly. Please consult us first regarding the specifications of the cosmetic box.

Delivery Time

Please contact us for details

※The specifications such as manufacturing lot, base paper used, number of printing colors, surface processing, dimensions, and shape can vary significantly. Please consult us first regarding the specifications of the cosmetic box.

Applications/Examples of results

The reasons why "Muchacha-en," a company developing a natural cultivation citrus business in Ehime Prefecture, has continued to place orders with Kaypack since the launch of its cosmetics brand "yaetoco" in 2012 are mainly threefold. Firstly, the overwhelming quality of the finished products. It achieves a texture that elevates customer excitement, suitable for high-priced natural cosmetics. The durability is also high, preventing deterioration from rubbing or color fading during transport, which ensures that the brand image is not compromised in stores. Secondly, the flexibility and speed of response. Utilizing its integrated system, the company has a proven track record of saving the day with short lead times and high-quality responses even during material shortages due to rapid sales increases. Thirdly, the accurate proposal capabilities as a professional. Rather than just printing according to data, they proactively point out and suggest improvements from a professional perspective, including the reproduction of fine text, barcode reading accuracy, and material selection that matches the brand's atmosphere (such as a matte high-end feel). In this way, a production system with minimal waste and high reliability has led to the evaluation of Muchacha-en as an "irreplaceable partner" that shapes their commitment.

Detailed information

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catalog(22)

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Three key points to keep in mind when creating an original package【vol.3】.

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A package that conveys the charm of the product | Would you like to create a package that conveys the charm of your product with Keipack?

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News about this product(4)

[Package Production Case Study / Vol. 3] This is a company I would definitely recommend to those who want to order boxes for the first time.

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"I've been tasked with creating a product package for the first time, but I have no idea where to start..." Are you feeling this way? Even when it comes to "making a box," you might be unsure about whom to ask for help. This time, I would like to share the reasons why I recommend Keipack to those who are struggling to find a packaging supplier, as explained by Mr. Yamaoka from Sunhills Co., Ltd. First, let me introduce Mr. Yamaoka. 【A Past of Fractured Clavicle Leading to Becoming a Judo Therapist】 Mr. Yamaoka is the director of Joto Osteopathic Clinic. He was a former rugby player and spent his middle school years dedicated to practice. However, just when he was enjoying rugby immensely, he suffered a shattered right clavicle and was devastated to learn he wouldn't be able to play for nearly a year. During the time he was anxious about whether he could return to rugby, a judo therapist at the hospital kindly supported him, and he felt inspired to pursue the same path, thinking, "I want to become a cool adult like that." After becoming a judo therapist, he devoted himself to practicing techniques and studying anatomy with the sole desire to help his patients improve, contributing wholeheartedly to his clients. <<For more, please refer to the related link>>

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[Package Production Case Study / Vol. 4] There was inspiration in the actions before placing the order.

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A private mountain lodge, Amanosato, located in Katsuragi Town, Wakayama Prefecture. It is a luxurious hotel with only 8 rooms and a helipad. It is an auberge aimed at allowing guests to experience "luxury in nothingness." *Note: An auberge is a facility that combines a restaurant and a hotel in a rural area. This time, we spoke with Mr. Nakamura, the manager of this luxury hotel, about the reasons for creating a package with Kaypack and his impressions. [We wanted to create an original package with a sense of luxury.] At Amanosato, we sell private brand goods, and we wanted to create packaging that aligns with our branding image to promote merchandise as a hotel. Since it is a mountain lodge in Wakayama, we thought about asking a company in Kansai to create the packaging, and we did some quick online research and contacted several companies. The one that responded the fastest and came to visit was Mr. Kita from Kaypack. He came to the lodge right away and listened to our specific requests. <<For more details, please refer to the related link.>>

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[Package Production Case Study / Vol. 2] Three Reasons Why Muchachaen, Who Creates Cosmetics from Mandarins, Does Not Consider Others

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"I want to try new cosmetics... which one should I choose?" "Among many products that claim similar effects, I tend to choose the ones that catch my eye." "When I see a cute package, I can't help but pick it up." Because there are many customers like this, the packaging of cosmetics is very important. To create packaging that excites customers, it is necessary to pay attention to detail from design to completion. This time, we spoke with Mr. Takase from Mujachaen Co., Ltd. about the reasons for placing orders with our company and continuing to order from Kaypack, as well as product production. [Mr. Takase from Mujachaen] Mujachaen is a cooperative in Ehime that functions as a regional trading company. About 60 farmers who practice careful natural cultivation, such as not using pesticides, are members, and the main business is selling citrus fruits grown there. In addition, they also handle the sale of local seafood and pearls. While the main focus is on selling fresh citrus fruits, they devised a business to make better use of juice and peels, aiming to utilize every part of the citrus. <<For more, see the related link>>

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[Package Production Case Study / Vol. 1] The reason why Kurekosu Co., Ltd. has continued to order organic cosmetics packaging for over 20 years.

  • Product news

When buying new cosmetics, while the bottle design is important, what catches the eye first is definitely the "box." When faced with a selection of many cosmetics and unsure of which to choose, it often comes down to "package buying," akin to buying based on the cover. This time, we asked our long-time partner, the cosmetics manufacturer Kurekos Co., Ltd., why they continue to create packages with Kaypack. 【I can no longer remember when we started our dealings with Kaypack】 We began our dealings with Mr. Kita (Kaypack) over 20 years ago, so long ago that I can hardly remember the beginning. In the early days, we relied on another packaging company. However, since starting our relationship with Mr. Kita (Kaypack), we have entrusted the majority of our packaging production to them. There is a mutual understanding cultivated over our long relationship, and the sense of security that comes from knowing everything is understood makes it easier to request work. There is a level of stability that allows us to build trust.

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ケイパック

ケイパック

Paper and pulp

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Keipak can be summed up in one word as a "box maker." As a comprehensive packaging manufacturer primarily engaged in the production and sale of paper containers and packaging, we have the facilities to provide consistent support from planning and design to processing and box-making. Through the production of packaging, we leverage the know-how gained from our various customer relationships to deliver paper containers that meet your needs with consistently stable quality. 【Customer First Principle】 With a motto of customer-first, we are committed to "always thinking from the customer's perspective." 【Sales Staff Well-Versed in Manufacturing】 As a company with an attached factory, our sales staff regularly holds meetings with factory staff and participates in manufacturing oversight, allowing us to offer proposals and production insights that differ from those of large printing companies. 【Responsive and Speedy Service】 Our sales staff are well-acquainted with manufacturing, enabling them to conduct precise hearings from the initial meetings. Therefore, we can achieve satisfactory content confirmation with the minimum number of meetings, resulting in a significantly reduced total time until final approval.

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