Premium Stainless Steel Tea Infuser Tumbler with Advanced Insulation Technology This professional-grade tea infuser tumbler features double-wall vacuum insulation that maintains optimal beverage temperatures for up to 24 hours, perfect for both hot and cold infusions. The extra-long infuser accommodates generous amounts of tea leaves or coffee, ensuring complete immersion for maximum flavor extraction in every brew. Crafted from high-quality stainless steel, this tumbler offers exceptional durability and resistance to rust and staining, while its leakproof design ensures secure transport for your premium products. The versatile multi-purpose design allows for tea, coffee, and fruit infusions, with the option to remove the strainer for use as a standard insulated water bottle. Ideal for tea businesses and export markets, this tumbler comes in gift-ready packaging, making it an excellent value-added product for discerning customers who appreciate quality and functionality in their daily brewing experience.zq20260203113940