Insulated Stainless Steel Tumbler – Double Wall Vacuum Design The insulated stainless steel tumbler is a premium beverage container designed to keep drinks hot or cold for extended periods. Its double-wall vacuum insulation technology ensures optimal temperature retention, making it an ideal companion for daily use, outdoor adventures, or travel. Material & Durability Crafted from high-quality 18/8 food-grade stainless steel, the tumbler is rust-resistant, non-toxic, and BPA-free, ensuring safe drinking without metallic aftertaste. The robust construction resists dents and scratches, maintaining its sleek appearance even with frequent use. The exterior features a polished or matte finish, offering both style and durability. Temperature Retention The vacuum-sealed double-wall design minimizes heat transfer, effectively maintaining temperatures. Hot beverages like coffee or tea stay warm for up to 6–12 hours, while cold drinks such as iced water or smoothies remain chilled for 12–24 hours. This makes the tumbler suitable for all seasons, whether used for morning coffee or an afternoon refresher. Leak-Proof & Spill-Resistant A secure screw-on lid or a sliding closure ensures a tight seal, preventing leaks and spills. The lid may include a silicone gasket for added protection, making it safe to carry in bags or backpacks. Some models feature a convenient flip-top or straw lid for easy sipping on the go. User-Friendly Design The tumbler’s ergonomic shape fits comfortably in hand, and its slim profile fits most car cup holders. The exterior remains condensation-free, keeping hands dry when holding cold beverages. Available in various sizes (12 oz to 30 oz), it caters to different needs, from compact portability to larger capacities for all-day hydration. Versatility & Maintenance Suitable for both hot and cold drinks, the tumbler is also compatible with most smoothie blends. It is easy to clean—hand washing is recommended to preserve the insulation, though some lids are dishwasher-safe. The sleek, minimalist design suits professional, casual, or outdoor settings. Eco-Friendly Choice Replacing single-use cups, this reusable tumbler reduces waste, making it an environmentally responsible choice. Its long-lasting build ensures years of use, offering both functionality and sustainability. Ideal for commuters, office workers, hikers, or anyone seeking reliable temperature control, this insulated stainless steel tumbler combines practicality, durability, and modern aesthetics for everyday use.