Asahi Kasei
Cookper Microwave Fish Cooking Boxes for 1 Fillet, 4 per Pack, Set of 5 Packs
Cookper Microwave Fish Cooking Boxes for 1 Fillet, 4 per Pack, Set of 5 Packs
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Shipping & Delivery
Shipping & Delivery
Shipping Fee
Shipping costs are automatically calculated by the system based on the contents of the order: the place of delivery, the mode of transportation and the weight of the package. You can check the cost using the shipping calculator on the shopping cart page or confirm the shipping cost on the checkout page.
Estimated delivery time
We use the most appropriate logistics method for your shipment depending on the location and type of item, so transit times may vary. After your order has shipped, you will receive an email from us containing the shipping order number and a tracking link for your order.
Fulfilling and estimated delivery time: 5~20 business days
The above is an estimate, not a guaranteed delivery time. We will do our best to deliver according to the estimated delivery time, but sometimes there may be delays. For example, local postal/logistics, weather, festivals or other uncontrollable factors. If you have further questions, please feel free to contact us.
Payment Method
Payment Method
We accept major credit cards including Visa, MasterCard and American Express. When paying by credit card, your name and billing address must match the address on file with the card issuer. We also accept PayPal, Apple Pay, Google Pay, AliPay, WeChatPay and UnionPay.
Tax & Custom
Tax & Custom
You may be charged additional handling, import, or tax fees as your order passes through customs. Please note, any additional charges on shipments are the customer’s responsibility, and we recommend reviewing these with your local customs departments prior to ordering.
Return & Refund
Return & Refund
We offer an 8-day return policy. Within 8 days of receiving your item, you may apply for a return or refund only if the product is defective or incorrect.
Returns are not accepted for reasons such as change of mind, mistaken purchase, or compatibility issues with local power sources.
Customized, hygiene-related, perishable, or hazardous products are non-returnable.
Return shipping and any handling fees are the customer’s responsibility unless the return is due to our error.
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Asahi Kasei Cookper Microwave Fish Cooking Boxes for 1 Fillet, 4 per Pack, Set of 5 Packs
[Product Features]
• The built-in heating sheet lets you cook one fish fillet in a microwave
• The enclosed design helps contain splashes of fish and fat for easier microwave cleanup
• A silicone-coated heating sheet helps release fish with less breakage
• No fish grill is needed, making cleanup easier
• Each cooking box can be used up to twice consecutively, following the package directions
[How to Use]
• Assemble the cooking box as directed on the package, place the side you want browned against the heating sheet, then close the lid
• Place the cooking box on a heat-resistant plate and use the microwave's manual heating setting
• For one approximately 100g salted salmon or mackerel fillet, use approximately 2 minutes 30 seconds at 500W or 2 minutes at 600W; adjust for the fish and microwave
• If needed, continue heating in 10-second increments while checking until thoroughly cooked
• Use oven mitts to remove the cooking box together with the plate and take care around hot steam and fat
[Important Use Notes]
• Thaw frozen fish first and cut larger fish to fit within the heating sheet
• Do not use for fish containing roe or for fish roe
• For a second consecutive use, wipe away residue, use a fresh heat-resistant plate and reuse immediately without a break
• Allow the cooking box to cool before disposal and follow all instructions on the actual package
[Product Specifications]
• Contents per retail pack: 4 cooking boxes, each for one fish fillet
• Assembled size per cooking box: 20.8 x 9 x 3cm (L x W x H)
• Heating sheet size: 16.3 x 8.6cm
• Materials: Paper, aluminum-metallized polyester film and silicone resin
• Country of Origin: Japan
• Sales unit: Set of 5 retail packs, 20 cooking boxes in total; individual retail packs are not sold separately
About Asahi Kasei
Asahi Kasei Home Products offers practical essentials for everyday cooking and food preparation. Its Cookper (クックパー) range includes cooking sheets, frying-pan foil and onigiri wrapping sheets, with options for baking, steaming, pan cooking and food wrapping. Each product is designed for a specific task, helping you choose what suits your kitchen routine. Discover Asahi Kasei kitchen essentials at imy Shop Japan.