“Super Extra-Large” and “8L” are size names given by Kaisen Kanidokoro (海鮮かに処), the shop, and do not indicate ranking or superior quality. Even so, it isn’t easy to tell from the product page alone how the contents and the number of servings per cluster change as the size gets larger within the same “shoulder-leg, 1 cluster” product line. This article organizes the product page’s information on Kaisen Kanidokoro’s Super Extra-Large (8L) raw king crab shoulder-leg, 1 cluster (total weight approx. 1.8kg), into five points: contents, storage method, ingredient labeling, gift suitability, and customer reviews.
What This Article Covers
- Contents and a serving-size guide by use case
- Storage method and shelf life
- Ingredient and allergen labeling
- Suitability as a gift
- Trends in published customer reviews
Basic Information
| Product Name | Super Extra-Large 8L Raw King Crab Shoulder-Leg, 1 Cluster (Total Weight Approx. 1.8kg). “Super Extra-Large” and “8L” are size names given by Kaisen Kanidokoro and do not indicate ranking or superior qualitySource: Product page (as of September 13, 2026) |
|---|---|
| Amount | 1 cluster (reference: total weight approx. 1.8kg, net weight approx. 1.6kg)Source: Same as above |
| Serving Size Guide | The shop’s 3-tier guide: Light (crab as a side dish) 4–6 servings / Standard (crab as the main dish) 3–4 servings / Hearty (filling up on crab alone) approx. 2–3 servingsSource: Same as above |
| Box Size | Approx. 23.5cm × 60cm × 12cm (height)Source: Same as above |
| Leg Thickness | Not confirmed (The product page does not list measured thickness or length for individual legs. Only the total weight and net weight are confirmed.) |
| Storage Method | The shop advises storing in the freezer immediately upon arrival. A specific storage temperature (e.g., −18°C or below) could not be confirmed — Not confirmedSource: Same as above |
| Best-Before Date | The shop advises consuming within about 1–2 months when stored in a home freezerSource: Same as above |
| Thawing Method | Thaw under running water for about 5–10 minutes just before eating. A notice warns that leaving it in the refrigerator or at room temperature for several hours may cause discoloration (blackening)Source: Same as above |
| Country of Origin | Russia (raw king crab)Source: Same as above |
| Processing Location | Not confirmed |
| Raw Consumption / Heating | The product page does not state whether raw consumption is possible or how to heat it — Not confirmed. Please check the product page or contact the seller before purchasing |
| About the Shape | If a cluster’s shoulder is broken, the shop explains that it adjusts the weight by combining “sashiashi” (leg pieces cut to match the shape of the shoulder)Source: Same as above |
| Shipping | Kuroneko Yamato frozen delivery (Cool TA-Q-BIN, frozen). Usually shipped 2–4 business days after ordering, arriving 1–2 days after shipment. The shop states a preferred delivery date can typically be specified starting 6 days outSource: Same as above |
| Shop | Kaisen Kanidokoro (Rakuten Ichiba) |
Prices are not listed because they change over time. Please check the link above for the latest price and stock availability.
Ingredients & Allergen Labeling
As far as we could confirm, the product page does not include ingredient names or additives in the standardized food labeling format. This item is Not confirmed.
Also, because this product’s ingredient is crab, it cannot be eaten by anyone with a crustacean/shellfish allergy. If you’d like to confirm additives used in processing (such as antioxidants), please contact the seller before purchasing or check the standardized food label on the product when it arrives.
Reference: Consumer Affairs Agency, “About Allergen Labeling” (accessed September 13, 2026)
5 Points to Check Before You Choose
| Item to Check | For This Product | Source |
|---|---|---|
| 1. Amount / Servings | 1 cluster, total weight approx. 1.8kg (net 1.6kg). Depending on use, servings range from 2–6 people (Light: 4–6 / Standard: 3–4 / Hearty: 2–3). The thickness of each leg (measured in cm, etc.) is not listed on the product page — Not confirmed | Product description on the product page |
| 2. Storage & Shelf Life | Freeze immediately upon arrival. About 1–2 months is the guideline for a home freezer. A specific storage temperature is Not confirmed | Product description on the product page |
| 3. Ingredients & Allergen Labeling | Not confirmed (no standardized food labeling format found). Since crab is the ingredient, those with a crustacean/shellfish allergy cannot eat this product | Checked on the product page |
| 4. Suitable as a Gift? | Only the phrase “gift-compatible” could be confirmed; specific details such as the inscription type for the noshi (gift wrapping label) or the gift box are Not confirmed | Product description on the product page |
| 5. What Reviews Say | Rating 4.67/5 (344 reviews). Sort order not confirmed; only the few reviews shown on the page were read | Rakuten API (information as of September 13, 2026) / review section of the product page |
Suitable as a Gift?
The product description includes the phrase “gift-compatible,” but we could not confirm specific details such as the type of noshi (gift wrapping label) inscription, whether it comes as a gift box or a simple gift box, or whether a message card or name printing is available. This item is Not confirmed. If you’re considering this as a gift, checking the following with the seller before purchase can help avoid misunderstandings.
- Whether noshi is available, and the type of inscription (e.g., oseibo (year-end gift), ochugen (mid-year gift), uchi-iwai (a return gift for a family celebration))
- Whether a gift box, simple gift box, or gift wrapping is available
- Whether a message card or name printing is available
- Since it arrives via frozen delivery, whether the recipient can specify a date and time to receive it
Published Customer Reviews
Rakuten customer reviews (“Minna no Review”) total 344, with an average rating of 4.67/5 (Rakuten API value, information as of September 13, 2026). The name of the sort order could not be confirmed from the product page — Not confirmed. This is limited to the 3 reviews shown on the product page that we checked (posted between January 19 and February 18, 2026, with the most recent on February 18); this sort order and count do not necessarily reflect the product’s current condition.
Specific trends in the content of the 3 reviews we checked (points praised or points of concern) were not recorded during research — Not confirmed. As numeric data, the review count and average rating above are published on Rakuten’s review page.
Source: Rakuten customer reviews (“Minna no Review”) and product page (accessed September 13, 2026)
A Good Fit For / Who Should Be Careful
A Good Fit For
- You’re gathering with a large group and want to enjoy plenty of crab on its own
- You want volume for a party or event
- You have room in your freezer for a larger box (approx. 23.5×60×12cm)
- You don’t mind if the cluster includes “sashiashi” (leg pieces matched to the shoulder’s shape)
Who Should Be Careful
- You have a crustacean/shellfish allergy (this product cannot be eaten, since crab is the ingredient)
- You’re a small group and want to combine it with other dishes (a smaller size may suit you better)
- You want to confirm safety-related details such as storage temperature and whether heating is required beforehand (some items are Not confirmed)
- You want to be certain about noshi and gift-wrapping options for a gift (some items are Not confirmed)
Prices, stock, shipping fees, and delivery dates are subject to change. The information in this article was gathered as of September 13, 2026. Please be sure to check the listing at the link before purchasing.
This article contains affiliate links (advertising). Editorial Policy
Summary
- At “8L,” the total weight is approx. 1.8kg (net 1.6kg) — a larger size that, per the shop’s guide, yields about 2–3 servings even eaten as crab alone. Good for large groups or parties
- Store in the freezer immediately upon arrival. The guideline for a home freezer is about 1–2 months, but a specific storage temperature and whether heating is required could not be confirmed from the product page — Not confirmed
- Allergen labeling and gift-related details (such as the type of noshi) include items that are Not confirmed, so if this matters to you, check with the seller before purchasing
Related Pages
This article organizes information published on the retailer’s site. Product details such as contents, storage method, and ingredients may change. Please check the seller’s listing for the latest information.
Evaluations of taste or quality are quoted from third-party posts and data with sources cited, and are not Ochinity’s own assessments. How this article was created is described in our Editorial Policy.
Information as of: September 13, 2026 / Sources: Rakuten Ichiba “Kaisen Kanidokoro” product page, Rakuten API, Rakuten customer reviews (“Minna no Review”), Consumer Affairs Agency “About Allergen Labeling”
