Double-Walled Vacuum Insulation The tumbler is engineered with high-performance vacuum insulation that creates a thermal barrier between the interior and exterior walls. This technology ensures that white wines and rosés stay perfectly chilled, while reds remain at cellar temperature, even in warm outdoor environments.

Premium Stainless Steel Durability Crafted from high-grade 18/8 stainless steel, this vessel is designed to be virtually indestructible compared to traditional glassware. It is resistant to rust, punctures, and shattering, making it the ideal companion for poolside lounging, camping, or travel.

Obsidian Matte Aesthetic The "Obsidian" finish offers a deep, sophisticated black matte texture that resists fingerprints and provides a modern, understated look. This premium coating not only enhances the visual appeal but also adds a tactile, slip-resistant quality to the exterior.

Ergonomic Tapered Silhouette The design features a gently tapered base that fits comfortably in the hand and is compatible with most standard cup holders. The smooth, rounded rim is specifically finished to mimic the mouthfeel of high-end stemware, ensuring a pleasant drinking experience.

Maintenance and Care To preserve the integrity of the matte Obsidian finish and the vacuum seal, hand washing with a soft sponge and mild detergent is highly recommended. Avoiding the dishwasher prevents high-heat cycles from degrading the thermal performance and keeps the exterior looking pristine.