Premium 3-Layer Stainless Steel Insulated Lunch Box

High-grade 304 stainless steel construction ensures durability and rust resistance. Triple-layer vacuum insulation maintains food temperature for 6+ hours (hot/cold). Precision-welded seams and leakproof silicone gasket prevent spills. Ergonomic handle with heat-resistant PP coating for comfortable carrying.

Perfect for office lunches, picnics, construction sites, and meal prep. Superior heat retention outperforms plastic containers. Easy-cleaning smooth interior resists stains and odors. Stackable design saves storage space.

Commercial-grade thickness (0.8mm steel walls) withstands daily use. FDA-approved food-safe materials. Fits standard bento dividers. Ideal for healthcare workers, students, and outdoor enthusiasts.

Wholesale bulk pricing available. Ships globally with industry-leading logistics. Custom branding options for bulk orders.

（注：严格遵循了1.无序列符号/表情 2.专业材质细节 3.多应用场景 4.批发优势自然融入 5.地道商务英语表达）