Hiking Design Vacuum Cup-D4 NEW the diameter of the single

the diameter of the single mouth is 1mm

making it a hassle-free option for busy parents and office workers

➤【Easy to assemble】 Follow the instructions and video

the basket does not collapse during use

Hiking Design Vacuum Cup-D4 NEW the diameter of the singleVacuum Insulation: These flasks are typically constructed with double walled stainless steel and a vacuum between the walls to maximize temperature retention, keeping liquids hot or cold for extended periods, often up to 24 hours. Durable Materials: The interior and exterior are made of stainless steel, making them durable and resistant to rust. Convenient Lid: The lid often functions as an insulated serving cup, providing a convenient way to drink on