A 500ml stainless steel covered oil bottle is a storage container for liquid oils or other condiments like vinegar, sauce, or cooking wine. It typically features a steel outer shell and a glass or plastic inner vessel for the liquid. The steel cover provides a protective and durable layer, while the inner vessel allows for easy dispensing and viewing of the contents. 

Key features of a 500ml stainless steel covered oil bottle:

• Capacity: Holds 500 milliliters of oil or other liquid. 
• Material: Uses stainless steel for the outer cover and glass or plastic for the inner vessel. 
• Durable and Protective: The steel cover protects the inner vessel and prevents damage from spills or impacts. 
• Easy Dispensing: The spout or nozzle allows for controlled pouring and reduces mess. 
• Visible Contents: The inner vessel allows you to see the amount of liquid remaining. 
• Leak-Proof: Many designs feature seals and stoppers to prevent leaks. 
• Versatile Use: Suitable for various liquids, including olive oil, vegetable oil, vinegar, and sauces. 
• Aesthetic Appeal: The steel cover can add a sleek and modern look to kitchens or dining tables.