This is a stainless steel mini bottle from Tiger Corporation. * Color: Black (Lamp Black) * Capacity: 500ml * Material: Stainless steel * Features: The vacuum insulation structure keeps excellent heat and cold retention effects for a long time. It is also compatible with sports drinks and is treated to prevent stains and odors. It employs a stainless steel double-vacuum structure with excellent heat and cold retention. It has a slide-push open mechanism with an auto-lock function that automatically locks when the lid is closed. The main body can be washed completely, making it easy to clean. It is a product from the "Yume-Juryoku Bottle" series, which is lightweight and easy to carry. Thank you for looking.