Premium Customizable Vacuum Tumbler – 510ml/17oz
High-grade 18/8 stainless steel inner wall with double-wall vacuum insulation maintains hot/cold temperatures for 12+ hours. BPA-free, sweat-proof exterior coating ensures durability and slip resistance. Laser-engraving compatible surface for permanent custom logos or designs, ideal for corporate gifts, promotional events, or personal use. Seamless screw-on lid with leakproof silicone gasket for office, gym, or travel. Premium copper-plated insulation layer enhances thermal efficiency. Ergonomic curved base fits car cup holders. Dishwasher-safe for effortless cleaning. Bulk wholesale pricing available for retailers and event planners.