Premium 500ML Custom Logo Thermos Set featuring double-walled vacuum insulation for superior temperature retention. Crafted from high-grade 18/8 stainless steel for durability and rust resistance. Sleek brushed finish with precision laser engraving for personalized branding. Leak-proof screw lid with silicone gasket ensures spill-free portability. Ideal for corporate gifting, sports hydration, or outdoor adventures. BPA-free construction meets FDA standards. Wholesale pricing available for bulk orders with no minimum quantity restrictions. Compatible with most beverage types including coffee, tea, and cold drinks. Ergonomic curved design fits standard cup holders. Ships globally with express logistics support.