600ml Double Wall Stainless Steel Vacuum Insulated Coffee Mug Tumbler for Library Study

600ml Double Wall Stainless Steel Vacuum Insulated Coffee Mug Tumbler for Library Study. Premium Material Construction: Inner 304 SS for safety, Outer 201 SS for durability, BPA-free and odor-free. Long-Lasting Insulation: Double-wall vacuum design keeps drinks hot or cold for up to 24 hours. Dual Drinking Modes: 2-in-1 lid allows easy switching between straw and sip modes for versatility. Silent Office Design: Silicone bottom reduces noise, making it ideal for quiet libraries and offices. Customizable Colors: Colors can be customized according to Panton standards for branding needs. OEM & ODM Support: Full OEM and ODM services available for custom logos and designs. Portable & Leakproof: Features a portable strap and leakproof lid for easy commuting and travel. Wide Mouth Design: Wide opening facilitates easy filling with ice and thorough cleaning.