Premium 316 Stainless Steel Construction
High-grade 316 stainless steel offers superior corrosion resistance compared to standard 304, ensuring durability against saltwater, acidic beverages, and daily wear. Ideal for marine activities, outdoor adventures, and long-term use.
Advanced Double-Wall Vacuum Insulation
Patented vacuum-sealed technology maintains temperatures for 24 hours (hot) or 36 hours (cold), perfect for travelers, office commutes, and camping trips. Leak-proof twist-on lid guarantees spill-free portability.
Laser-Engraved Custom Branding
Precision laser etching allows permanent logo customization without peeling or fading, tailored for corporate gifts, promotional events, or personalized merchandise. Matte finish resists fingerprints.
Ergonomic Design & Food-Grade Safety
500ml capacity with a sweat-proof base fits standard cup holders. BPA-free interior meets FDA/EC1935 standards for safe drinking with tea, coffee, or infused water.
Industrial-Strength Powder Coating
Military-grade exterior coating prevents dents and scratches, engineered for construction sites, gym use, and rugged outdoor environments. Dishwasher-safe for effortless cleaning.






























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SiYJ17 Customized Logo Vacuum Flasks Thermoses Stainless Steel Insulated Cup 500ml Travel Water Bottle Flask 316 Stainless Steel
$3.68$4.86-24.28%
Color:
Sky Blue








Capacity:
401-500ml
Quantity:
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