Superior Thermal Insulation: Keep your drinks hot or cold for 12-24 hours with our advanced insulation technology. The combination of a 316 stainless steel inner liner and a 304 stainless steel shell provides exceptional thermal retention for both hot and cold beverages. High-Concerned Chemical-Free: Crafted with safety in mind, this vacuum cup is made without any high-concern chemicals, ensuring a safe drinking experience directly from . Modern Simplicity Design: Featuring a sleek, modern design with a convenient lifting rope and a practical straw, this fashion-forward water cup is ideal for sports enthusiasts and active . Its stylish appearance complements any setting, from gym to .