Introducing our trendy and cool {Inner and outer 304 stainless steel vacuum cup cool trend portable square cup custom logo}! As a factory, we take great pride in crafting this exceptional product. This vacuum cup features a sturdy construction with inner and outer layers made of premium 304 stainless steel. Its innovative design ensures optimum insulation, keeping your beverages hot or cold for extended periods of time. The portable and square shape adds convenience, allowing you to carry it wherever you go. Additionally, we offer customization options to personalize the cup with your logo, making it an ideal promotional item. Upgrade your drinkware collection with our high-quality vacuum cup!