Professional Tea Infuser Bottle with Double-Layer Design This premium tea infuser bottle features a double-layer construction that withstands temperatures from -20～C to 100～C (recommended maximum 212～F). Crafted from high borosilicated glass and 304 stainless steel, it offers exceptional durability while being resistant to collision and thermal shock. The BPA-free food-grade materials preserve the original taste of loose teas, while the high transparency showcases the beautiful color of your brew. The integrated stainless steel infuser allows for easy brewing and removal, making it perfect for both hot and cold beverages. The leakproof design ensures convenient portability, while the 420ml total capacity (70ml top, 350ml bottom) provides ample space for tea and water separation. Available in three elegant colors, this modern tea bottle enhances the drinking experience for both hot and iced teas. Its compact size (70mm x 70mm x 218mm) makes it ideal for various settings including offices, travel, camping, hiking, sports, and picnics. This versatile product serves as an excellent gift option for tea enthusiasts and is perfect for independent tea brands and import/export businesses looking to offer premium tea accessories.zq20260203181802