--- title: "KOKUYO Shellbro Pen Case: Shell-Shaped, 35 Pens" canonical: "https://stationerytimes.com/guides/kokuyo-shellbro-pen-case/" description: "KOKUYO Shellbro pen case explained: a shell-shaped pouch whose base spreads open, 200 × 100 × 55 mm, about 35 pens, mesh pocket, colors, price and origin." category: "Cases" type: "Pen pouch" published: 2026-10-22 updated: 2026-10-22 author: "Ellis Penhale" publisher: "Stationery Times" sources: 7 products: - name: "KOKUYO Shellbro Pen Case, Navy × Blue (F-VBF190-2)" brand: "KOKUYO" brand_origin: "Japan" made_in: "Not stated" material: "Polyester outer and lining, polyethylene core" price_band: "$$ ($5–20 per case, typical US retail, October 2026)" manufacturer: "KOKUYO Co., Ltd." model: "F-VBF190" mpn: "F-VBF190-2" gtin: "4901480330693" url: "https://www.kokuyo.com/stationery/category/bag-pouch/pencase/6860/" --- # KOKUYO Shellbro Pen Case: Shell-Shaped, 35 Pens > The KOKUYO Shellbro is a Japanese pen case shaped like a clam shell: compact when zipped, but when you open it the base spreads wide so every pen shows. KOKUYO lists it at W200 × D100 × H55 mm, holding about 35 pens, with a mesh pocket, at ¥2,000 (about US$13) before tax. - URL: https://stationerytimes.com/guides/kokuyo-shellbro-pen-case/ - Category: Cases - Author: Ellis Penhale - Published: 2026-10-22 - Updated: 2026-10-22 ![Navy KOKUYO Shellbro pen case closed, and opened wide like a shell showing a blue lining, mesh pocket and pens](https://stationerytimes.com/images/raster/kokuyo-shellbro-pen-case-16x9.png) *The Shellbro in Navy × Blue, drawn to scale from KOKUYO's W200 × D100 × H55 mm.* Original drawing (SVG): . Drawings © 2026 Stationery Times, reusable with credit under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). ## Product facts | Product | Brand | Brand origin | Made in | Material | Released | Price range (typical US retail, October 2026) | |---|---|---|---|---|---|---| | KOKUYO Shellbro Pen Case, Navy × Blue (F-VBF190-2) | KOKUYO (by KOKUYO Co., Ltd.) | Japan | Not stated | Polyester outer and lining, polyethylene core | – | $$: $5–20 per case | - Made in (KOKUYO Shellbro Pen Case, Navy × Blue (F-VBF190-2)): Not stated. KOKUYO's Japanese product pages for the F-VBF190 don't state a country of production. The Amazon US listing gives Country of Origin: Japan in its seller data, but we don't treat a single marketplace field as confirmed; check the label. ### KOKUYO Shellbro Pen Case, Navy × Blue (F-VBF190-2) colors - Body colors (4 standard, 0 special edition): Black × Orange (ブラック×オレンジ; F-VBF190-1); Navy × Blue (ネイビー×ブルー; F-VBF190-2); Gray × Pink (グレー×ピンク; ending when stock runs out; F-VBF190-3); Purple × Emerald Green (パープル×エメラルドグリーン; ending when stock runs out; F-VBF190-4). - Per KOKUYO Japan (https://www.kokuyo.com/stationery/category/bag-pouch/pencase/6860/), checked 2026-10-27. The four colors on KOKUYO's Japanese Shellbro page (Japanese names in each note; English names as used in this guide). KOKUYO's Japanese site marks Gray × Pink and Purple × Emerald Green as ending when stock runs out. Each tint is the pouch's main fabric, hand-picked from KOKUYO's product photo of that item; the second color in each name isn't tinted separately. Shops stock different colors; check the listing. ## Key takeaways - KOKUYO lists the Shellbro (F-VBF190) at W200 × D100 × H55 mm (7.9 × 3.9 × 2.2 in), holding about 35 pens. - Its shell structure spreads at the base when opened, so KOKUYO says the contents show at a glance. - KOKUYO's Japanese list price is ¥2,000 (about US$13) before tax; Amazon US lists it in our $$ band ($5–20). - It comes in 4 two-tone colors: Black × Orange, Navy × Blue, Gray × Pink and Purple × Emerald Green. - The outer and lining are polyester over a polyethylene core, per KOKUYO. ## What is the KOKUYO Shellbro? **It is a zippered pen case from KOKUYO built like a clam shell: closed it is compact and easy to hold, but opened its base spreads wide so every pen is visible.** KOKUYO calls it a large-capacity case in which pens are still easy to find. Each color pairs two tones, and Amazon's listing says the contrast-color design helps you find the pen you want. KOKUYO also says the shape fits comfortably in the hand. ## KOKUYO Shellbro specs | Spec | Shellbro pen case (F-VBF190) | |---|---| | Outer size | W200 × D100 × H55 mm (7.9 × 3.9 × 2.2 in) | | Capacity | About 35 pens | | Pocket | Mesh pocket for a ruler or sticky notes | | Materials | Polyester outer and lining, polyethylene core | | Colors | Black × Orange, Navy × Blue, Gray × Pink, Purple × Emerald Green | | List price, Japan | ¥2,000 (about US$13) before tax; Purple × Emerald Green ¥1,800 (about US$11) | | Barcode (Navy × Blue) | 4901480330693 | Everything above comes from KOKUYO's Japanese product pages, read on October 22, 2026. KOKUYO notes that, as a sewn product, the dimensions can vary and that pen capacity depends on the pens. ![KOKUYO Shellbro front and end views to scale: 200 mm wide, 55 mm tall, 100 mm deep](https://stationerytimes.com/images/kokuyo-shellbro-pen-case-dimensions.svg) *A pencil's length long, and twice as deep as a slim tube case.* ## How does the shell shape work? **Unzip it and the base flexes outward, so the case opens like a shell instead of a narrow slot.** KOKUYO says this lets you see the contents at a glance even when the case is full. Under the polyester there is a polyethylene core, per KOKUYO. Amazon's listing adds that the case also works for tools, cosmetics or a small first-aid kit. ## How many pens does it hold? **KOKUYO says about 35 pens, a large number for a 200 mm case.** That is because it is 100 mm deep, twice the depth of a slim case such as the [KOKUYO C2](https://stationerytimes.com/guides/kokuyo-c2-pen-case/). The mesh pocket keeps a short ruler or sticky notes away from the pens, so they don't get ink marks. ## How does it compare with other KOKUYO and LIHIT LAB cases? **It holds the most of these four, at the cost of being the bulkiest.** | | KOKUYO Shellbro | KOKUYO C2 (L) | [KOKUYO Neo Critz](https://stationerytimes.com/guides/kokuyo-neo-critz/) | [LIHIT LAB Teffa Book Style](https://stationerytimes.com/guides/lihit-lab-teffa-book-style-pen-case/) | |---|---|---|---|---| | Size | 200 × 100 × 55 mm (7.9 × 3.9 × 2.2 in) | 200 × 50 × 50 mm (7.9 × 2.0 × 2.0 in) | 85 × 50 × 195 mm (3.3 × 2.0 × 7.7 in) | 200 × 120 × 50 mm (7.9 × 4.7 × 2.0 in) | | Capacity | About 35 pens | About 20 pens | About 14 pens | 12 to 14 pens | | Opens as | Shell | Tray | Pen stand | Book | | Price band | $$ | $$ | $$ | $$ | C2, Neo Critz and Teffa figures come from their guides. See our [best pencil cases](https://stationerytimes.com/guides/best-pencil-cases/) roundup for more styles. ## What colors are there, and which are ending? **Four two-tone colors: Black × Orange, Navy × Blue, Gray × Pink and Purple × Emerald Green.** The last digit of the item code is the color, so F-VBF190-2 is Navy × Blue. KOKUYO's Japanese site marks Gray × Pink and Purple × Emerald Green as ending when stock runs out, so Black × Orange and Navy × Blue are the safest picks if you may want a replacement. ## How much does it cost? **Amazon US lists it in our $$ band ($5–20).** KOKUYO's Japanese list price is ¥2,000 (about US$13) before tax for most colors. JetPens also carries the Shellbro. ## Where is the KOKUYO Shellbro made? **KOKUYO doesn't say on its product pages.** The Amazon US listing gives Japan as the country of origin, but a single marketplace field isn't confirmation, so check the label on the case. ## Frequently asked questions ### What size is the KOKUYO Shellbro? KOKUYO lists the outer size as W200 × D100 × H55 mm, about 7.9 × 3.9 × 2.2 in. It notes that sewn products can vary slightly. ### How many pens fit in the Shellbro? About 35, per KOKUYO, which adds that the number depends on the type of pen. ### What does Shellbro mean? The name refers to its shell-shaped structure: KOKUYO says the case closes compactly but its base spreads open like a shell, so the contents show at a glance. ### Does the Shellbro have pockets? Yes, a mesh pocket inside that KOKUYO says holds a ruler or sticky notes, keeping them apart from the pens. ### What colors does the Shellbro come in? Black × Orange (F-VBF190-1), Navy × Blue (-2), Gray × Pink (-3) and Purple × Emerald Green (-4). KOKUYO marks Gray × Pink and Purple × Emerald Green as ending when stock runs out. ### How is the Shellbro different from the KOKUYO C2? The C2 is a slim tube that opens into a tray, 200 × 50 × 50 mm for the L; the Shellbro is twice as deep at 100 mm and spreads open from the base, holding about 35 pens. ### Is the KOKUYO Shellbro made in Japan? KOKUYO's product page doesn't say. The Amazon US listing gives Japan as the country of origin, but check the label. ## Sources - [シェルブロ ペンケース 外寸法/W200×D100×H55 ネイビー×ブルー (KOKUYO Japan, read October 22, 2026: F-VBF190-2, ¥2,000 before tax, shell structure, about 35 pens, mesh pocket, polyester outer and lining, polyethylene core, JAN 4901480330693, four colors)](https://www.kokuyo.com/stationery/category/bag-pouch/pencase/6860/) - [シェルブロ ペンケース ブラック×オレンジ (KOKUYO Japan: F-VBF190-1, JAN 4901480330686)](https://www.kokuyo.com/stationery/category/bag-pouch/pencase/7539/) - [シェルブロ ペンケース グレー×ピンク (KOKUYO Japan: F-VBF190-3, JAN 4901480330709, ending when stock runs out)](https://www.kokuyo.com/stationery/category/bag-pouch/pencase/6199/) - [シェルブロ ペンケース パープル×エメラルドグリーン (KOKUYO Japan: F-VBF190-4, JAN 4901480330716, ¥1,800 before tax, ending when stock runs out)](https://www.kokuyo.com/stationery/category/bag-pouch/pencase/11178/) - [大容量なのにペンが探しやすいペンケース＜シェルブロ＞ (KOKUYO series page)](https://www.kokuyo-st.co.jp/stationery/shellbro/) - [Amazon US: Kokuyo Shellbro Pen Case, Purple × Emerald Green (F-VBF190-4) (read October 22, 2026: 7.9 × 3.9 × 2.2 in, about 35 pens, mesh pocket, country of origin Japan)](https://www.amazon.com/dp/B072V5JVR3) - [JetPens: KOKUYO Shellbro Pen Cases (category)](https://www.jetpens.com/Kokuyo-Shellbro-Pen-Cases/ct/5386)