Olesew Tumbler with Straw, Ceramic Coated, 500ml, Portable, with Handle, Direct Drinking, Lid, Spill-Proof, Stainless Steel, Keeps Drinks Hot or

[Innovative Design] Featuring an industry-first ceramic liner and dual drinking mechanism! Excellent airtightness ensures zero leaks. A convenient handle makes it easy to carry. ● Preserves the drink's flavor cleanly, preventing coffee bitterness and tea stains. ● Suitable for both acidic and alkaline beverages (coffee, carbonated drinks, fruit juice, etc.). ● Switch between straw and direct drinking for optimal use. [3-Way Drinking System] Large capacity with included straw for easy drinking. The included straw lid ensures leak-proof operation even when the container is tilted. [Outstanding Heat and Cold Insulation] Maintains temperature for long periods of time. No condensation even with cold drinks, and heat is not transferred to the outside even with hot drinks. [Wide Mouth Design for Easy Cleaning] The smooth lid and wide mouth allow for easy cleaning. [Versatile Use] Enjoy hot or iced drinks comfortably anywhere, from the office, home, school, or restaurant. (Note: We recommend placing the container upright when storing in a bag.) [Use] The lid opens and closes smoothly, making cleaning easy. Enjoy hot or iced drinks like coffee or tea easily at the office, home, school, izakaya, etc. Note: When putting the device in a bag, please place it upright.