1.【Vacuum Insulated】 FAYREN Metal Water Bottle Flasks can keep beverages cold for 24 hours, and hot for 8 hours. Perfect for outdoors activities, like camping, driving, beach and so on.
2.【18/8 Stainless Steel】 FAYREN Metal Water Bottle Flasks is made from premium high grade 18/8 stainless steel, which is fully resistant to oxidation and corrosion. More durable, and suitable for adults .
3.【Reliable Use】 FAYREN Metal Water Bottle Flasks are leak-proof and sweat-proof. All materials in contact with beverages are BPA-free, food-safe and recyclable.