Ello Oasis 40oz Insulated Stainless Steel Tumbler — Blueberries, Retractable Leak‑Proof Straw & Vacuum Cold Retention

Ello Oasis 40oz is an insulated stainless steel tumbler with a retractable, leak-proof straw designed for all-day cold drinks and worry-free commuting.

This spacious 40-ounce Ello Oasis tumbler combines vacuum-insulated performance with a clever hide-a-straw lid so you can sip, stash, and go. Built from stainless steel, BPA-free materials and a cup-holder-friendly silhouette, it’s engineered for people who need long-lasting cold, clean drinking surfaces, and a spill-resistant solution for bags and cars.

How does the retractable straw prevent leaks and mess?

The lid’s dial-operated retracting straw tucks fully into the lid chamber, creating a sealed surface when closed. That keeps the drinking area protected from dirt and makes the lid leak-resistant for tossing into a bag or travel cup holder use.

• Dial-actuated straw hides completely inside the lid when closed
• Sealed lid design reduces accidental spills and pocket wetting
• Straw surface stays protected from dust and debris when stowed

How long will drinks stay cold in the Ello Oasis?

The double-wall vacuum insulation keeps beverages chilled for many hours, making it suitable for long commutes, workouts, and outdoor activities. While exact duration varies with ambient temperature and initial drink temperature, this tumbler is optimized for extended cold retention.

• Vacuum-insulated stainless steel core for temperature control
• Generous 40 oz capacity reduces the need for frequent refills
• Ideal for iced water, iced coffee, and cold refreshments all day

Is the Oasis convenient to clean and carry every day?

Yes — the tumbler is top-rack dishwasher safe and made from BPA-free components for everyday convenience. Its tapered base fits most car cup holders, while the textured lid dial and lightweight stainless body make it easy to handle on the move.

• Top-rack dishwasher safe lid and tumbler materials for quick cleaning
• BPA-free construction for safer daily use
• Slim, tapered design fits standard cup holders and backpack pockets

What design features make it travel-ready?

The Oasis was designed to behave like a travel-friendly companion: a 100% leak-resistant hiding straw, a secure threaded lid, and a shape that tucks into vehicle cup holders. Those details together reduce spills and make it easier to bring one beverage along for the whole day.

• Leak-resistant lid with retractable straw technology
• Threaded screw-top closure for secure transport
• 40 oz capacity minimizes refills during long outings

Who is this for? The Ello Oasis 40oz tumbler is ideal for commuters, parents, students, athletes, and anyone who prefers a large, cold beverage that travels without spills. If you want a durable, easy-to-clean bottle with a tidy, stow-away straw and a shape that fits cup holders, this tumbler is built to match an active, on-the-go lifestyle.