This is a stainless steel bottle (water bottle) from HALEIWA. This bottle is from the brand "Haleiwa," which originated on the North Shore of Hawaii, and is characterized by its pop designs such as colorful lettering, rainbows, and dolphins. It is a lightweight and compact mug bottle type. It also has heat and cold retention functions. Product Information: - Brand Name: HALEIWA - Features: Pop and colorful design, with heat and cold retention functions, lightweight - Capacity: 420ml