Era Flip 40oz: Keep Drinks Cold All Day
By BrüMate | Premium Insulated Tumblers, Drinkware, Coolers ... | Published: 2026-10-30
Category: How-to Guides
Learn how to maximize the ice retention of your BrüMate Era Flip 40oz tumbler with simple pre-chill, packing, and lid-sealing tips.
Quick Answer
Pre-chill the tumbler, use plenty of ice, and keep the flip-down straw lid closed between sips to maximize cold retention all day.
Why the Lid Matters More Than You Think
The Era Flip 40oz has a covered straw lid that flips down to seal the drinking opening. Keeping this lid closed when you aren’t drinking traps cold air inside and prevents warm room air from entering. Many people leave the straw flipped up, which slowly lets in heat and melts ice faster.
Ice Type and Packing Order
Standard refrigerator ice cubes work well, but larger cubes or block ice last longer because they have less surface area. Fill the tumbler to the top with ice before adding any liquid. This ensures the maximum ice-to-drink ratio. If you add liquid first, the ice floats and leaves a warm gap at the bottom.
Steps to Keep Drinks Cold All Day
- Pre-chill the tumbler: Fill the Era Flip 40oz with ice and cold water, swirl for 30 seconds, then dump the water out. This cools the stainless steel walls so the first pour of drink stays cold immediately. Skipping pre-chill means the metal absorbs heat from your drink, melting ice faster.
- Fill with ice before liquid: Pack the tumbler completely full of ice cubes. Then pour your cold drink over the ice. This gives the maximum ice surface area to keep everything cold. If you pour liquid first, the ice sits on top and leaves a warm layer below.
- Close the flip-down lid between sips: After each drink, flip the straw cover down until it clicks shut. This seals the opening and prevents warm air from entering the tumbler. Leaving the straw up lets warm air in and accelerates ice melt.
- Keep the tumbler out of direct sun: Place the Era Flip 40oz in shade or inside a bag when outdoors. Direct sunlight heats the exterior and slowly warms the contents even through insulation. A shaded tumbler stays cold hours longer than one sitting in the sun.
Product That Helps
- Era Flip 40oz | Neon Pink: Hydration on lock with the Era Flip 40 oz covered straw tumbler. Featuring a flip-down straw lid and insulated design to keep drinks cold and your straw... The flip-down lid seals the straw opening, so you don’t lose cold air every time you set the tumbler down.

Era Flip 40oz | Neon Pink
