Premium Double Wall Vacuum Insulation for 12-hour temperature retention

Military-grade 18/8 stainless steel construction, BPA-free and rustproof

Precision small mouth design prevents spills, ideal for hiking/office/gym use

Mirror-polished interior resists odors and stains for effortless cleaning

500ml & 750ml capacity options with sweat-proof condensation-free exterior

Laser-engraved measurement markings for accurate liquid tracking

Threaded lid with silicone gasket ensures 100% leakproof performance

Ultra-durable powder-coated finish withstands daily wear and impact

Commercial-grade insulation outperforms standard tumblers by 40%

Wholesale-exclusive pricing for bulk orders with no minimum quantity