Premium 30oz stainless steel tumbler with double-wall vacuum insulation for superior temperature retention (hot for 12hrs, cold for 24hrs). Features precision laser-engraved customization on high-grade 18/8 steel with sweat-proof coating and copper-plated base. Includes leakproof slide lid with silicone seal and ergonomic carry handle. Commercial-grade construction withstands drops up to 5ft with reinforced base. Ideal for baristas, outdoor adventures, office commutes, and as branded corporate gifts. FDA-approved food-safe materials, dishwasher-safe (base detachable), fits most cup holders. Wholesale bulk pricing available for custom logo orders with no minimum color requirements.