• Double-Wall Vacuum Insulation: This advanced thermal technology creates a vacuum seal between two stainless steel walls to dramatically reduce heat transfer, keeping your wine at the optimal temperature for hours while being 2X heat and cold resistant compared to glass.
• 18/8 Food-Grade Stainless Steel: Constructed from premium Type 304 stainless steel containing 18% chromium and 8% nickel, this durable material ensures a pure, metallic-taste-free experience while providing a robust, rust-resistant structure for daily use.
• Sweat-Free Design: The insulated construction prevents condensation from forming on the exterior of the tumbler, ensuring your hands stay dry and protecting your furniture from water rings or moisture damage without the need for a coaster.
• Seamless Construction and Clear Lid: Featuring a smooth, seamless body that eliminates potential leak points, this tumbler includes a clear lid for easy visibility of your beverage and a hole sized for a straw, providing a secure and convenient drinking experience.
• Handwash Recommended Maintenance: To preserve the vibrant powder-coated finish and ensure the long-term integrity of the vacuum seal, handwashing is recommended.

Diamondback Branding is not an authorized Hydro Flask partner.

All Hydro Flask products are modified after initial purchase and may void warranty.