Sanwa Direct Launches Expandable Business Backpack with Water-Resistant Fabric
Release Date: July 30, 2025
Introduction
Sanwa Supply Co., Ltd. (Headquarters: Okayama City, Okayama Prefecture, Representative Director and President: Kazunori Yamada), operating the direct sales site 'Sanwa Direct', has launched the '200-BAGBP035BK' business backpack. This backpack features a simple design suitable for both work and leisure, a water-resistant fabric, and a gusset expansion that increases its capacity by 1.5 times, making it ideal for everyday use, business trips, and travel.
The backpack is presented in a sleek, simple design that can be used for both work and personal activities. Its water-resistant surface fabric provides protection against rain and dirt, while the PU coating offers a pleasant texture and a premium appearance.
Image Description: A black business backpack is shown. One view displays the backpack from the front in its compact form. Another view reveals the backpack opened, showcasing a spacious main compartment with mesh dividers for organizing clothing and travel items, and a separate section for documents and electronics. The expansion feature allows the backpack's capacity to increase significantly.
Recommended Points
- Capacity increases 1.5x with gusset expansion.
- Full-open, suitcase-style opening with mesh dividers for easy organization.
- Water-resistant surface fabric for protection.
Product Details
Product Name: Expandable Business Backpack
Features: Large Capacity, PC Backpack, Simple, PU Coating, Water-Resistant, Water-Repellent, Multi-functional, Backpack, Men's, Travel, Business Trip, Black
Model Number: 200-BAGBP035BK
Price: ¥7,710 (excluding tax)
Link to Product Page: https://direct.sanwa.co.jp/ItemPage/200-BAGBP035BK
Key Features
- This backpack is slim for daily use but can expand its gusset by approximately 9cm, increasing its capacity by over 1.5 times, from 22 liters to 35 liters, making it suitable for 2-3 day trips.
- The surface is made of PU coated fabric, offering water resistance to protect your belongings from rain and dirt. It also has a pleasant texture and a premium look.
- The main compartment for clothing and travel items opens fully like a suitcase, with mesh dividers to prevent items from shifting and to easily see contents.
- The document and gadget compartment is well-organized with two small item pockets, one mesh pocket, and two pen pockets. It has a depth of about 8cm, ideal for thick documents, catalogs, or A4 files. A detachable key hook is also included to prevent losing keys.
- The PC/tablet compartment can store laptops up to 16 inches and tablets up to 12.9 inches, along with documents. It is equipped with belts and cushions to protect devices and prevent accidental falls.
- The front of the bag features three pockets for quick access to small items.
- A side pocket is included that can hold a 500ml PET bottle.
- The backpack is comfortable to carry, featuring breathable mesh fabric and cushion material on the back.
- The simple, unadorned design in black makes it suitable for both business and school use.
- It has handles that support vertical and horizontal carrying for use as a hand-tote.
- The shoulder straps can be stowed away, preventing them from getting in the way when carrying by the handle or using the carry-on strap.
- A carry-on strap is included to attach the backpack to luggage handles.
Note: Zipper parts are not fully waterproof. Water may seep through zippers in heavy rain.
Specifications
| Attribute | Details |
|---|---|
| Product Color | Black |
| Main Size | Approx. W32×D47×H16 (Expandable: 26) cm (excluding handle) |
| Front Pocket (Top) | Approx. W18.5×H19 cm |
| Front Pocket (Bottom) | Approx. W18.5×H11 cm |
| Front Pocket (Right) | Approx. W26×H37 cm |
| Side Pocket | Approx. W7×D7×H18 cm |
| Document/Gadget Room (Main Pocket) | Approx. W31×D8×H43 cm |
| Document/Gadget Room (Small Pockets x2) | Approx. W13×H16.7 cm |
| Document/Gadget Room (Pen Pockets x2) | Approx. W2×D1×H16.7 cm |
| Document/Gadget Room (Mesh Pocket) | Approx. W29×H26 cm |
| Clothing/Travel Room (Pocket) | Approx. W22×H19 cm |
| Clothing/Travel Room (Unexpanded) | Approx. W32×D2×H46 cm |
| Clothing/Travel Room (Expanded) | Approx. W32×D11×H46 cm |
| PC/Tablet Room (Document Space) | Approx. W30×D2×H45 cm |
| PC/Tablet Room (Tablet Pocket) | Approx. W30×H34 cm |
| PC/Tablet Room (Laptop Pocket) | Approx. W30×D3.5×H32 cm |
| Back Pocket | Approx. W20×H19 cm |
| Weight | Approx. 1.4 kg |
| Material | Polyester, PU Coating |
| Capacity | Approx. 22 Liters (Expanded: 35 Liters) |
| Water Repellency | Yes |
| Carry-on Strap | Yes |
| Warranty Period | Initial defects only |
| Instruction Manual | None |
| Country of Origin | China |
Where to Buy
- Sanwa Direct Official Shop (Main Store): https://direct.sanwa.co.jp/ItemPage/200-BAGBP035BK
- Sanwa Direct Rakuten Ichiba Store: https://item.rakuten.co.jp/sanwadirect/200-bagbp035bk/
- Sanwa Direct Yahoo! Shopping Store: https://store.shopping.yahoo.co.jp/sanwadirect/200-bagbp035bk.html
- Sanwa Direct au Pay Market Store: https://wowma.jp/item/750171283
- Sanwa Direct Amazon Store: https://www.amazon.co.jp/dp/B0FJKYRXNV
Sanwa Direct Official Homepage & SNS
- Official Homepage: https://direct.sanwa.co.jp
- Official X (formerly Twitter): https://twitter.com/sanwadirect
- Official Instagram: https://www.instagram.com/sanwadirect
- Official YouTube Channel: https://www.youtube.com/user/sanwadirect/
- Official LINE Account: https://page.line.me/?accountId=jgl3920e
Customer Inquiries
Sanwa Direct TEL: 086-223-5680 E-Mail: direct@sanwa.co.jp
Media Inquiries
Public Relations TEL: 086-223-5680 E-Mail: direct@sanwa.co.jp
Please note that the information in this release is current as of the publication date. Specifications, prices, and appearance are subject to change without notice.
