IRON FLASK Insulated Mug with Straw & Flip Cap – 40 oz
Insulated hot & cold mug with double-walled vacuum insulation. Keeps beverages cold up to 20 hours and hot up to 5 hours; fits standard cup holders. Customer note: durable and keeps ice well, though some report handle issues
Highlights
- long-lasting temperature retention
- cup-holder friendly design
- leak-proof lid
Pros
- double-walled vacuum insulation
- fits standard cup holders
- leak-proof, spill-proof lid
- ice retention
Cons
- mixed durability reports (handle breakage)
Best For
Features
- Double-walled vacuum insulation keeps drinks cold up to 20 hours and hot up to 5 hours
- Fits standard cup holders with a compact design and non-slip rubber base
- Made from 18/8 stainless steel; BPA-free and non-toxic construction
- Leak-proof airtight lids designed for versatile use with a secure seal
- 40 oz capacity; portable travel mug suitable for hot or cold beverages
