| Feature |
Ceramic Thermos |
Stainless Steel Thermos |
| Taste Preservation |
Excellent (No metallic taste) |
May have slight metallic taste |
| Durability |
Fragile (Can chip or crack) |
Highly durable and impact-resistant |
| Insulation |
Moderate |
Excellent (Vacuum insulation) |
| Weight |
Heavier |
Lighter |
| Odor & Stain Resistance |
Highly resistant |
May retain odors over time |
| Suitable Liquids |
Coffee, tea, herbal infusions, milk-based drinks |
Water, soup, energy drinks, acidic juices |
| Feature |
304 Stainless Steel |
316 Stainless Steel |
| Corrosion Resistance |
Good (Not ideal for salty or acidic environments) |
Excellent (Resistant to saltwater and acids) |
| Durability |
Strong and durable |
Stronger and more durable |
| Composition |
18% Chromium, 8-10.5% Nickel |
16-18% Chromium, 10-14% Nickel, 2-3% Molybdenum |
| Price |
More affordable |
More expensive |
| Best Use Cases |
General food and drink containers |
Marine, medical, and premium thermoses |
| Suitable Liquids |
Tea, coffee, water, mild juices |
Saltwater, sports drinks, acidic juices, medicinal liquids |
