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The difference between "无围卡" and "带围卡":

With a surrounding card (with manufacturer information certificate, with surrounding standard)

No manufacturer information (neutral, no surrounding label)

Product code: LS479 Round Stainless Steel Lunch Box 630ml - No Lid Card

Packing Quantity: 48 pieces | Gross Weight Including Packing: 270 grams (Shrink Film Packing) Size: 11.2*11.7

Material: 201 stainless steel + PP + silicone | Case size: 47.5*36*50cm |

Gross weight: 14kg | Net weight: 12.8kg

Product code: LS480 round stainless steel lunch box 1000ml - without side card

Packing Quantity: 36 pieces | Gross Weight Including Packing: 372 grams (Shrink Film Packing)Size: 13.2*12.3

Material: 201 stainless steel + PP + silicone | Case size: 55.5*42*38cm |

Gross weight: 15kg | Net weight: 13.4kg

Product code: HM8538 Round Stainless Steel Lunch Box 630ml with Lid

Packing Quantity: 36 pieces | Gross Weight Including Packaging: 303 grams (with corner cards and heat shrink film packaging)

Material: 201 stainless steel + PP + silicone | Case size: 47.2*35.7*38.5cm Gross weight: 11.4kg | Net weight: 10.26kg

Product code: HM8541 Round Stainless Steel Lunch Box 1000ml"【With Card】

Packing Quantity: 36 pieces | Gross Weight Including Packaging: 392 grams (with corner cards and heat shrink film packaging)

Material: 201 stainless steel + PP + silicone | Case size: 54.8*41.2*38cm |

Gross weight: 14.2kg | Net weight: 12.85kg

Warnings: This product does not have a slow-cooking function. It is suitable for short-distance travel with soup and rice. If it's cold outside, the insulation will last about 1-2 hours, but it's not a long-lasting insulation.