Keep Beverages at the Perfect Temperature with Hot & Cold Vacuum Flasks | BEST PROMOTIONAL GIFTS

A Vacuum Flask, or Thermos, does not allow heat transfer by any of the three ways that heat can travel. The silver coating on the inner bottle prevents heat transfer by radiation, and the vacuum between its double-wall prevents heat moving by convection. ... The case surrounding the flask provides additional insulation. 100% leakproof. Suitable for keeping water, juice, coffee warm, fashionable design & personal customization. Metallic color gives the bottle a polished look with a double-walled stainless-steel liner. Keeps your beverages Hot or Cold for 12hrs.

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High-Quality Insulated Flasks for Corporate Gifting

Welcome to BEST PROMOTIONAL GIFTS, your destination for the best hot & cold vacuum flasks for corporate gifting. Our collection showcases a wide range of high-quality vacuum flasks designed to keep beverages hot or cold for extended periods. With their double-wall insulation and airtight lids, these flasks ensure optimal temperature retention and leak-proof functionality. Whether it's a piping hot cup of coffee or a refreshing cold beverage, our vacuum flasks provide the perfect solution for enjoying drinks on the go. They are built to be durable and feature sleek designs that are both practical and visually appealing. Customize these flasks with your company logo or message to create a memorable promotional gift that effectively promotes your brand. Choose from a variety of sizes and colors to suit your preferences. Elevate your corporate gifting with the best hot & cold vacuum flasks available at BEST PROMOTIONAL GIFTS.