A 1000ml stainless steel vacuum flask with double-wall copper insulation and leak-proof design—keeps drinks hot or cold for 24 hours.
Vacuum Flask 1L Thermos Yasuda Bottle Hot & Cold Bottle Stainless Steel Flask Leak Proof Flask Thermal Bottle Outdoor Flask
                                        
                                        
                                        
                                        
                                        The Yasuda YS-GB1000 Stainless Steel Vacuum Flask is built for performance, durability, and convenience. With a large 1000ml capacity, it’s perfect for road trips, family outings, or all-day use at the office or home. Made from 304 food-grade stainless steel, this flask ensures safe drinking, resists corrosion, and maintains the original flavor of your beverage. Thanks to its double-walled construction with an inner copper coating, the flask keeps your drinks hot or cold for up to 24 hours. Its leak-proof lid design ensures spill-free travel and storage, making it perfect for both indoor and outdoor use. Whether you’re sipping hot coffee on a winter morning or chilled water during summer hikes, the YS-GB1000 is your reliable hydration companion.
| Brand & Model: | Yasuda YS-GB1000 – Stainless Steel Vacuum Flask | 
|---|---|
| Capacity: | 1000ml – Suited for Long Use or Shared Drinks | 
| Material: | 304 Food Grade Stainless Steel – Safe & Durable | 
| Construction: | Double Walled – With Inner Copper Coating | 
| Temperature Retention: | 24 Hours Hot / 24 Hours Cold | 
| Design: | Leak Proof – No Spills, Travel Friendly | 
| Use Case: | Ideal for Office, Travel, Outdoor Activities, Daily Use | 
| Durability: | Rust-Resistant, BPA-Free, and Long Lasting | 
| Insulation: | Maintains Beverage Temperature All Day |