Elegant Stainless Steel Tumbler With Handle & Straw – 316 Inner Layer, Leak-Proof Lock, Modern Minimalist Design

Your Everyday Companion​​ Engineered for those who value both style and functionality, this tumbler combines medical-grade safety with thoughtful design elements. ​​Key Advantages​​ ​​Triple Leak-Proof System​​ – Locking clasp + food-grade silicone seal + twist-on lid ​​Premium 316 Core​​ – Superior corrosion resistance vs. standard 304 steel ​​Personalization Ready​​ – Laser engraving for names/dates/logos ​​Ergonomic Balance​​ – 201 stainless outer shell reduces weight by 30% ​​Temperature Retention​​ – 6-12 hours depending on ambient conditions ​​Designed for Real Life​​ ​​Corporate Gifting​​ – Bulk orders with branded engraving available ​​Special Occasions​​ – Valentine's Day/Christmas engravings popular ​​Active Lifestyle​​ – One-handed operation perfect for workouts ​​Family-Friendly​​ – Safe for kids' drinks with non-toxic materials ​​Customization Options​​ • 8 base colors (including 3 floral patterns) • 3 engraving techniques (laser/3D print/silk) • Capacity choices: 350ml/450ml/500ml