No sir, there is no smell, the lids are completely vacuum sealed, there is no problem with this. In order to provide the thermos feature, heat preservation is required. Unfortunately, although the containers inside these models are made of steel, insulation cannot be achieved with a single layer. We also sell heat-insulated mugs and camping equipment. All of them have double layers of steel, one layer provides heat insulation while the other layer helps to retain heat. By the way, we have models with thermos features. https://www.trendyol.com/vagonlife/bento-1800ml-lunchbox-yeni-koleksiyon-2-kaseli-4-6saat-termos-ozellikli-celik-sefertasi-yemek-kutusu-p-865241726?merchantId=237426&filterOverPriceListings=false I have sent the link to the model, you can check it out.
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Blue Ashiyan Porcelain Cup and Mug
