- Product: Insulated Coffee Mugs/Vacuum Cups.
- Features: They are designed to keep drinks hot or cold for extended periods (up to 6 hours) due to their double-layer vacuum stainless steel insulation.
- Leak-proof: The mugs come with leak-proof lids to prevent spills.
- Capacity: The specific mugs shown are likely 510ml capacity, a common size for these types of mugs.
- Usage: Suitable for various settings including office, travel, school, or daily use for coffee, tea, or other beverages.