Multi-layer insulation technology for temperature retention (hot or cold) up to 6 hours under tested conditions (20°C ±5°C environment, filled with ~95°C hot water and 0°C ice water mixture)
Acid and alkali resistant inner liner suitable for various beverages including coffee, cola, milk, lemon water, milk tea, and flower tea
Three drinking modes: straw mouth, direct drinking mouth, and sharing lid
Leak-proof sealing technology ensuring no spills even when tossed casually
Built-in fine water-resistant tea filter for brewing tea
Original design with woven strap for easy carrying