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🛫 【Certified Store on JOOM】
A trusted Japanese seller delivering high-quality products directly from Japan to the world!
📦 【Shipped from Japan】
Every order is packed with care and shipped promptly and securely.
🔍 【Japanese Quality Standards】
All items are inspected based on Japanese standards, regardless of the country of origin.
📒 【Manuals & Language】
Instruction manuals are typically in Japanese. We recommend using a translation or text-recognition app for your convenience.
🛍️ 【Product Origin & Specs】
Items are sourced for the Japanese market and may be manufactured in various countries. Please check compatibility with your local standards.
👍 【Support Our Store】
If you love your purchase, please "Follow" us and leave a review! Your feedback warms our hearts 💖
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👕【For Fashion & Apparel Items】
To ensure the perfect fit and prevent size-related returns, we offer a dedicated detail-update service:
🔻 How to Request: If the description lacks detailed measurements, simply add the item to your cart.
🔻 Update Process: We update descriptions sequentially. Please allow several business days for detailed size charts and material info to be added.
👉 We highly recommend waiting for the updated information before completing your checkout to ensure a perfect fit.
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⚠️【Attention! Please be sure to read before purchasing】⚠️
Does this product match the conditions below?
Please check carefully before placing your order.
🔌【Voltage Compatibility】
This product is designed for use in Japan and operates on 90–110V.
Using it with a different voltage may cause malfunction or damage.
🔌【Plug Type】
The plug type is Type A or Type B, which is standard in Japan.
You may need a plug adapter for use in other countries.
💡【Important Notes on Transformers and Adapters】
🔻 A transformer adjusts the voltage to match your device's requirements.
🔻 A plug adapter only changes the plug shape and does not convert voltage.
👉 Using only a plug adapter without a transformer may damage the product.
🚫【Disclaimer】
We are not responsible for any damage or malfunction caused by
improper use without a transformer.
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Product Specifications: Half Cover Weight: Approx. 980g; Material: Synthetic Leather; Exterior Dimensions: 185mm D x 240mm W x 350mm H; Interior Dimensions: 125mm D x 240mm W x 310mm H; Fits A4 flat files; Silver-plated Hardware; Full Cover Weight: Approx. 835g; Material: Synthetic Leather; Exterior Dimensions: 200mm D x 250mm W x 340mm H; Interior Dimensions: 130mm D x 240mm W x 310mm H; Fits A4 flat files; Silver-plated Hardware
[Classic Half Cover | Eternal Style] The diamond-shaped shadows radiate a flowing glow, and the three-dimensional stitching creates an elegant silhouette. This lightweight cover weighs approximately 980g, yet embodies the weight of culture. [Innovative Full Cover | Minimal Aesthetics] Reinterpreting traditional forms, the magnetic closure removes unnecessary structure, and the spirit of Japanese craftsmanship is condensed into an ultra-lightweight body of approximately 835g.
[Comprehensive features] 1. Reinforced processing to prevent deformation, high-strength PE box structure, reinforced large gusset opening. 2. Back pad made of mesh material with excellent breathability, antibacterial properties, and deodorizing properties. 3. Reflective lines. 4. Adjustable belt for different heights. 5. Removable insole.
[Accessories] 1 x 6-year warranty card, 1 x original packaging box, 1 x protective non-woven bag *Please rest assured that in the unlikely event that any accessories are lost or the packaging box is damaged, we will contact you and resend the item.
[7-Year Warranty] *See, touch, and inspect the product. If the product is not what you ordered or if it is damaged or defective, please contact us and we'll accept returns, exchanges, and provide a full refund. *We offer free replacement for quality issues within 30 days of purchase, and we offer free repairs for 6 years for any damage to stitching or metal attachments under normal use. For details on the warranty, please visit the Coulomb randoseru official website. *Coulomb has been in the randoseru manufacturing and sales industry for over 8 years, has sold over 100,000 randoseru to date, and has specialized repair centers in Japan (Chiba and Osaka Prefectures). We believe in providing our customers with excellent after-sales service. Please compare our products with top Japanese brands such as Tenshi no Hane, Fit-chan, and Fuwarii.
[Inheriting the spirit of craftsmanship, embarking on a new journey] Based on traditional randoseru technology, we have redefined the aesthetics of randoseru. The new lightweight series is a perfect fusion of traditional structural wisdom and modern engineering, creating a randoseru for a new era. Reflective materials ensure safety, with attention to detail. In 2026, we will launch a new product into the world, embracing modern style with the warmth of traditional craftsmanship. The ultimate in lightness, with the heart of a craftsman, we will nurture each bag into wings that carry dreams.