**Evonecy Insulated Lunch Box - 3-Layer Vacuum Food Container with Strap, Leak-Proof & Heat Retention for Office, School, or Travel - Deep Blue** *(Perfect for Meal Prep, Picnics, Commuting, and Keeping Food Hot or Cold All Day!)*

Features

304 Stainless Steel: The inner bowl of the Insulated lunch box is made of 304 stainless steel, and the is treated with anodized electropolishing to make it easier to clean, reduce heat convection, and effectively improve the thermal insulation eff

Vacuum Technology: Lunch box adopts high temperature tailless vacuuming technology, high temperature vacuuming environment, prolonging the vacuuming time, vacuuming the vacuum layer, and realizing long term heat preservation.

PP Material: The Insulated lunch box is made of PP material, which is safe and has no peculiar smell. It can directly hold food and has a double layer separation design.

Temperature Locking Technology: Lunch box adopts temperature locking technology, 6 layer thermal insulation structure, which improves the thermal insulation effect. In actual use, the thermal insulation time is about 6 hours (warm meals) ‑ 8 hours (scaldi

Independent Layering: independent layering does not cause odor, good vacuum insulation performance, easy opening and operation, easy disassembly and cleaning, and more convenient to carry with a strap.