Kacheeg 430ml 304 Stainless Steel Vacuum Insulated Tumbler with Lid & Straw 1. The 304 stainless steel dual-walled vacuum mug is designed for both hot and cold beverages, preserving their original taste. 2. Versatile Drinking Modes: Switch between straw mode, direct sip mode, or open-mouth style to suit your preference. 3. Long-Lasting Temperature Retention: Dual-walled vacuum insulation keeps drinks hot or cold for extended periods. Smooth interior resists residue buildup. 4. Durable & Corrosion-Resistant: Seamless 304 stainless steel interior withstands acids, alkalis, and corrosion. Exterior made of food-safe PP and PS materials. Silicone seal ensures leak-proof use. 5. One-Handed Sliding Lid: Push-open lid allows easy sipping without removing the cover. Effective dust protection and hassle-free operation. 6. Compact & Multi-Purpose: 430ml capacity (9.7 x 8.6 x 10.8cm, 270.3g) ideal for tea, coffee, milk, and more. Portable for home, office, or outdoor use.