Frozen gyoza often come in large bulk-buy quantities, and it is easy to purchase them without knowing how to store all 96 pieces or by when to eat them. This article organizes what is publicly available about Bishoku Tenshin Gyoza-kan’s Black Gyoza (96 pieces; “about 16 servings” is the approximate label shown in the product name) — based on the product page and review site listings — into five points: contents, storage method, ingredient labeling, suitability as a gift, and reviews.
What We Confirmed
- Contents and approximate number of servings
- Storage method and shelf life
- Ingredients and allergen labeling
- Suitable as a gift?
- Trends in publicly available reviews
Basic Information
This table transcribes what is stated on the product page. However, the “not confirmed” labels and any notes we add are our own.
| Product name | 美食点心ぎょうざ館 黒餃子 96個（約16人前） (Bishoku Tenshin Gyoza-kan Black Gyoza, 96 Pieces, About 16 Servings) |
|---|---|
| Name | Black GyozaSource: Rakuten Ichiba product page (viewed September 26, 2026) |
| Contents | 96 pieces (approx. 18g each), total weight 1728g. The product name states “96 pieces total, about 16 servings” (the number of servings is an approximate label, and the product description does not state how many pieces make up one serving)Source: same as above |
| Storage method | −18°C or below (frozen)Source: same as above |
| Best-before date | 12 months when kept frozenSource: same as above |
| Country of origin | Not confirmed (we did not find a separate statement of the origin of the raw ingredients) |
| Place of processing | JapanSource: Country of origin/manufacture shown in “Product Specifications” on the Rakuten Ichiba product page (viewed September 26, 2026) |
| Condition / How to eat (whether heating is required) | The product name on Rakuten Ichiba is labeled “raw gyoza” (生餃子). We did not find an explicit statement of whether heating is required on the Rakuten Ichiba product page or the official site. Amazon’s product description describes a cooking method of arranging the pieces while still frozen, adding boiling water, steam-frying, and then browning themSource: Product description on the Amazon product page (viewed September 26, 2026) |
| Shipping | Frozen delivery / home delivery (Yamato Transport)Source: Shipping information on the Rakuten Ichiba product page (viewed September 26, 2026) |
| Manufacturer | Opus Co., Ltd. (有限会社オーパス) / 3-6-21 Torikai-Kami, Settsu, Osaka, JapanSource: Product description on the Rakuten Ichiba product page (viewed September 26, 2026) |
| Shop | Bishoku Tenshin Gyoza-kan (Rakuten Ichiba) |
Prices are not listed here because they change. Please check the current price and stock availability at the link above.
Ingredients and Allergen Labeling
The product page lists the following ingredients.
Filling: vegetables (cabbage, ginger, garlic, onion), pork, chicken, soy sauce, spices, sugar, sesame oil, seasoning (amino acids, etc.) / Wrapper: wheat flour, starch (potato, corn)Source: Product description on the Rakuten Ichiba product page (viewed September 26, 2026)
Within what we could check, we did not find a consolidated allergen labeling list covering the specified allergens. This item is not confirmed. The ingredient list includes wheat and pork, among others, but this is not a list explicitly labeled as allergens. If you have an allergy to wheat, pork, or similar, please contact the seller before purchasing, or check the label on the product when it arrives.
Reference: Consumer Affairs Agency, Japan, “About Allergen Labeling” (accessed September 26, 2026)
Five Things to Check Before Buying
| What to check | For this product | Basis |
|---|---|---|
| 1. Contents and number of servings | 96 pieces (approx. 18g each), total weight 1728g. “About 16 servings” is the approximate label shown in the product name | Product specifications on the Rakuten Ichiba product page |
| 2. Storage method and shelf life | Store at −18°C or below. Best-before date is 12 months when kept frozen | Product description on the Rakuten Ichiba product page |
| 3. Ingredients and allergen labeling | Not confirmed (we did not find an allergen labeling list) | Product description on the Rakuten Ichiba product page |
| 4. Suitable as a gift? | The listing mentions noshi (gift wrapping label) support, but details such as the type of inscription are not confirmed | The “Gift” section of the Rakuten Ichiba product page |
| 5. Trends in reviews | Rakuten customer reviews (“Minna no Review”) (sort order: standard, number read: about 27, posting period: September 28, 2025 to September 25, 2026, most recent post: September 25, 2026). This trend may not represent the product’s current state. The rating is 4.51／5 (3,146 reviews). Reviewers often praise how easy it is just to pan-fry, the crunchiness of the vegetables, and the garlic flavor, while some note torn bags or greasiness. | Rakuten customer reviews (“Minna no Review”) (viewed September 26, 2026) |
Suitable as a Gift?
The “Gift” section of the Rakuten Ichiba product page shows support for noshi (gift wrapping label)Source: Rakuten Ichiba product page (viewed September 26, 2026). However, we could not confirm specific details such as the type of inscription, whether the noshi can be personalized, whether a gift box, simple gift box, or gift wrapping is available, or anything about message cards. If you are considering this as a gift, checking the following with the seller before purchasing can help avoid mix-ups.
- The type of noshi inscription and whether it can be personalized (no specific mention on the product page)
- Whether a gift box, simple gift box, or gift wrapping is available
- Since it arrives by frozen delivery, whether the recipient can specify a receiving date and time
What Public Reviews Say
We read about 27 reviews on the first page of Rakuten customer reviews (“Minna no Review”), sorted by “standard” order. This trend may not represent the product’s current state.
| Site | Rating | Number of Reviews | Date Viewed |
|---|---|---|---|
| Rakuten customer reviews (“Minna no Review”) (product page) | 4.51 / 5 | 3,146 reviews | September 26, 2026 |
What Reviewers Praise
Many reviews highlight how easy it is to prepare just by pan-frying, and that the whole family was satisfied. Some posts praise the crunchiness of the vegetables and the garlic flavor, while others mention the reassurance of having a stock in the freezer.
Source: Rakuten customer reviews (“Minna no Review”) (viewed September 26, 2026)
What Reviewers Note
There are also posts noting that the bag arrived torn, and others pointing out greasiness.
Source: Rakuten customer reviews (“Minna no Review”) (viewed September 26, 2026)
Who It Suits / Who Should Be Careful
Who It Suits
- Want to stock up on 96 pieces at once (“about 16 servings” is an approximate label)
- Looking for frozen gyoza that are easy to prepare (reviews often praise the ease of preparation)
- Have enough freezer space for 96 pieces
Who Should Be Careful
- Have an allergy to wheat, pork, or similar (allergen labeling list is not confirmed, so please inquire)
- Want to confirm the specific heating steps before purchasing (not stated on the Rakuten Ichiba product page)
- Want to confirm noshi or wrapping details before giving it as a gift
Prices, stock, shipping fees, and delivery dates are subject to change. This article’s information-as-of date is September 26, 2026. Please be sure to check the listing at the link before purchasing.
This article contains affiliate links (advertising). Editorial Policy
Summary
- 96 pieces of raw gyoza (“about 16 servings” is the approximate label shown in the product name). Reviews often mention that it’s easy just to pan-fry, and it can be stocked in the freezer
- Store at −18°C or below; the best-before date is 12 months when kept frozen. The specific heating steps are not stated on the Rakuten side, but Amazon’s product description provides cooking instructions
- We could not confirm an allergen labeling list on the product page. If you have an allergy to wheat, pork, or similar, please check with the seller before purchasing
Related Pages
This article organizes information published on the retailer’s site. Product details such as quantity, storage method, and ingredients may change. Please check the seller’s listing for the most current information.
Comments on taste or quality are summarized from third-party posts cited with their source, and are not Ochinity’s own evaluation. Our approach to writing articles is described in our Editorial Policy.
Information as of: September 26, 2026 / Sources: Rakuten Ichiba “Bishoku Tenshin Gyoza-kan” product page, Rakuten customer reviews (“Minna no Review”), Yahoo! Shopping same-shop page, Amazon product page, Consumer Affairs Agency, Japan, “About Allergen Labeling”
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