PRIME FLASK ? Premium 420ml Double-Wall Stainless Steel Flask with Vacuum Insulation & Leak-Proof Silicone Seal

PRIME FLASK – Premium 420ml Stainless Steel Flask The PRIME FLASK is a high-quality 420ml double-wall flask built for durability and everyday use. Its 316 stainless steel interior ensures beverage purity, while the 304 stainless steel exterior provides lasting strength. Advanced vacuum insulation keeps drinks hot or cold for hours, making the PRIME FLASK ideal for travel, office, outdoor activities, or daily hydration. A food-grade silicone ring creates a leak-proof seal, preventing spills and enhancing portability. Compact at 16.8 x 7.8 cm, this flask fits comfortably in your hand, bag, or cup holder. Packaged in an eco-friendly paper box, the PRIME FLASK is a thoughtful gift for those who value premium quality combined with practical design. Key Features: High-Quality Stainless Steel: 316 interior, 304 exterior Vacuum Insulation: Keeps drinks hot or cold for hours Leak-Proof Seal: Food-grade silicone prevents spills 420ml Capacity: Perfect for hydration on the go Compact & Portable: Fits hand, bag, or cup holder Eco-Friendly Packaging: Recyclable paper box, ideal for gifting Product Specifications: Specification Details Product Name PRIME FLASK Capacity 420 ml Dimensions 16.8 x 7.8 cm Inner Material 316 Stainless Steel Outer Material 304 Stainless Steel Insulation Vacuum insulated Seal Food-grade silicone ring Use Case Hot & cold beverages Packaging Paper box Best For: Business Teams (Team Gifts, Onboarding, Achievers, Outing Events) Event Organizers (Exhibitions, Tradeshows, National & Online Events) Promotions & PR Campaigns Travelers and Outdoor Enthusiasts Clients and Corporate Gifting Office Workers and Freelancers Employees at All Levels