Premium 304 Stainless Steel Construction - Food-grade interior resists rust and odors with superior durability compared to ordinary tumblers.

Advanced Vacuum Insulation - Maintains hot/cold temperatures for 12+ hours with double-wall vacuum sealing technology.

28oz (820ml) High-Capacity Design - Ideal for outdoor adventures, gym sessions, or all-day office hydration without frequent refills.

Leak-Proof Straw Lid - Features precision-engineered silicone seals for shake-resistant sipping during travel or workouts.

Ergonomic Contoured Base - Textured grip prevents slips, while the streamlined profile fits standard cup holders.

Multi-Surface Finish - Brushed metallic exterior resists fingerprints with scratch-resistant laser-engraved branding.

Commercial-Grade Durability - NSF-certified materials withstand industrial dishwashing cycles for long-term use.

BPA-Free & Eco-Conscious - Fully recyclable stainless steel construction meets EU/UK safety standards.