Premium Glass Tea Infuser Cup - Professional Tea Brewing Solution Crafted from food-grade borosilicate glass using hand-blowing techniques, this tea infuser cup offers exceptional heat resistance and safety. The lead-free, BPA-free construction ensures no harmful substances leach into beverages, making it ideal for health-conscious tea brands and premium hospitality markets. Engineered to withstand extreme temperature variations from -4～F to 300～F, this cup allows direct pouring of boiling or cold water without risk of cracking, perfect for commercial tea service environments. The precision-cut glass infuser effectively filters 99% of tea leaves, making it versatile for brewing blooming teas, loose leaf varieties, herbal infusions, and even coffee. Its pure glass design preserves the authentic flavor profile of premium teas, enhancing the drinking experience for discerning consumers. The complete set includes glass cup, infuser, and lid, providing a comprehensive solution for tea service. Microwave and dishwasher safe for maximum convenience in both home and commercial settings. Backed by a 60-day replacement guarantee, this tea infuser cup represents a reliable, high-quality option for tea brands seeking to offer premium brewing solutions to their customers.zq20260204211706