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

PRIME FLASK, a high-quality 420ml double-wall flask designed for durability and functionality. Constructed with a 316 stainless steel interior and a robust 304 stainless steel exterior, this flask ensures long-lasting performance while maintaining the purity of your beverages.

Featuring advanced vacuum insulation, the PRIME FLASK keeps drinks hot or cold for hours, making it perfect for daily use, travel, office, or outdoor activities. The food-grade silicone ring guarantees a secure, leak-proof seal, preventing spills and enhancing portability. Its compact size of 16.8 x 7.8 cm diameter fits comfortably in hand, bags, and cup holders.

Packaged in an eco-friendly paper box, this flask is an ideal gift choice for those who appreciate premium quality combined with practical design.

Key Features

• High-Quality Stainless Steel: 316 interior for purity, 304 exterior for durability

• Vacuum Insulation: Maintains beverage temperature for hours, hot or cold

• Leak-Proof Seal: Food-grade silicone ring ensures secure closure without spills

• 420ml Capacity: Convenient size for hydration on the go

• Compact & Portable: Fits easily in hand, bags, and cup holders

• Eco-Friendly Packaging: Packaged in recyclable paper box, great for gifting

  Product Specifications

  Specification	Details
  Product Name	PRIME FLASK
  Capacity	420 ml
  Dimensions	16.8 x 7.8 cm (Diameter)
  Inner Material	316 Stainless Steel
  Outer Material	304 Stainless Steel
  Insulation	Vacuum insulated
  Seal	Food-grade silicone ring (leak-proof)
  Use Case	Hot & cold beverage retention
  Packaging	Paper box

  Best For

  • Business Teams (Team Gifts, Onboarding Gifts, Best Achievers Gifts, Outing Team Gifts, Anniversary Gifts, Junior Team, Senior Team, Top-Level Team)

  • Event Organizers (Exhibitions, Tradeshows, National Events, Online Events)

  • Promotions & PR Campaigns

  • Travelers and Outdoor Enthusiasts

  • Clients and Corporate Gifting

  • Office Workers and Freelancers

  • Employees at All Levels

  • Outing and Team Building Events