1. Bottle Body (Double-Wall): High-Borosilicate Glass for high heat resistance
2. Inner Filter: 304 Stainless Steel, durable and provides fine filtration
3. Sealing Ring: Food-Grade Silicone: Ensures a tight, leak-proof seal
4. Withstands a temperature of -20°C to 100°C, making it safe for icy cold or boiling hot liquids
5. Convenience: Drinking tea without swallowing tea leaves as the filter efficiently strains tea debris for a smooth sip
