Yolunmei 316 Stainless Steel Insulated Lunch Box 24-Hour Long-Lasting Thermal Container Multi-Layer Bento Box for Office Workers and Students

•Lunch box / pot with handle

Yolunmei 316 Stainless Steel Insulated Lunch Box 24-Hour Long-Lasting Thermal Container Multi-Layer Bento Box for Office Workers and Students

CN¥203.91

SKU: 100246999041

Status:In Stock (13)

ID: 100246999041

Weight: 1110.00 g

Dims:252x224x174 mm

Specifications

Suitable Scenarios: Outdoor activities, refrigerator organization, commuting to work
Additional functions: Vacuum insulation
Style: Simple style
Domestic/Imported: Made in China
Intended User Group: Universal
Capacity: Above 2.6L
Material: 316 stainless steel
Number of layers: 4 layers

Variants / Sale Attributes

Style: [Vacuum Insulation] 316 Steel Four Layers + Insulation Bag + Tableware

Package Contents

Lunch box *4, tableware *1, insulated bag *1

Product Description

Overview

Brand: Youlunmei
Product Type: Vacuum Insulated Lunch Box / Thermos Flask
Model Variants: 680ml / 850ml capacity options

Food-grade SUS316 stainless steel inner liner

Upgraded 316 stainless steel for enhanced durability and safety

Multi-layer vacuum insulation with 6-layer thermal barrier design

Copper plating layer inside liner for improved heat retention

Silicone sealing rings and spiral screw caps for leak-proof performance

True vacuum insulation technology with high-temperature vacuum extraction

Maintains food temperature for up to 6 hours (tested minimum temperature 20°C, water temperature retention 48°C)

Cold retention performance tested at -10°C ambient temperature

Additional details

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Triple sealing system

silicone air valve, silicone sealing ring, and screw cap

Large 105mm wide mouth for easy filling, eating, and cleaning

Integrated heat insulation handle designed for comfort and anti-scalding

Upgraded anti-mildew inner box design

Plastic-free all-steel body to avoid plasticizer contamination and odors

Resistant to acid, alkali, and salt corrosion; antibacterial and odor-resistant surface

Easy to clean with detachable silicone parts, no dead corners

Additional details

Multiple compartment options: 680ml vegetable bowl, 850ml soup bowl, 680ml meat bowl, 470ml staple food bowl, 470ml fruit bowl

Portable design with optional insulated carrying bag for extended temperature retention

Award-winning design with multiple patents (appearance and utility model patents)

Over 280 million units sold globally with 21 years of product focus and data-backed quality assurance

Suitable for daily office lunch, outdoor picnics, travel, and healthy meal storage

Designed for modern lifestyle aesthetics and convenience

Food contact safety certified with no heavy metal leaching

Medical-grade stainless steel ensures long-term stable contact with food

High hardness and wear resistance for extended product lifespan

Tested and verified for superior thermal insulation exceeding national standards

Available in multiple sizes and colors with minimalist design

Recommended to purchase with insulated bag for longer heat retention during long-distance travel

3-layer leak-proof sealing ensures no spillage even during movement

Youlunmei vacuum insulated lunch boxes combine advanced SUS316 stainless steel material with innovative vacuum insulation technology to provide safe, durable, and highly efficient thermal food storage solutions. With large capacity options, ergonomic design, and superior sealing, these lunch boxes are ideal for health-conscious consumers seeking convenience and style in their daily meals.