Simple Modern Trek 40oz insulated tumbler with handle and straw — Green, double-wall vacuum, stainless interior

The Simple Modern Trek 40oz is an insulated stainless-steel tumbler with a comfortable carry handle and straw lid designed for spill-resistant, all-day hydration.

Built to move with you, this 40oz Trek combines double-wall vacuum insulation with a molded handle and a straw lid so you can sip on the go without sacrificing temperature control. The food-grade 304 (18/8) stainless interior is free of BPA, lead, and phthalates, and the size is engineered to nest in most car and bag cupholders. Whether you commute, train, or work long shifts, the Trek is a practical, gift-ready choice that pairs visually with other Simple Modern pieces.

How long will the Trek keep drinks cold or hot?

The double-wall vacuum construction slows heat transfer so beverages maintain temperature longer than single-wall bottles. Cold drinks stay noticeably cooler for many hours, while hot drinks retain warmth for extended sips.

• Double-wall vacuum insulation minimizes condensation and heat loss.
• Stainless steel interior preserves flavor without retaining odors.
• Wide-mouth fill for ice and easy pouring.

Is the handle comfortable and is the tumbler easy to carry one-handed?

The Trek’s molded handle gives a secure grip that balances the 40oz capacity, making one-handed transport straightforward. The design also allows hooking to a bag strap or handing off without awkward fumbling.

• Ergonomic handle molded into the lid area for stronger hold.
• Balanced weight distribution when full to reduce tipping risk.
• Fits most car and bag cupholders for convenient travel.

How does the straw lid perform for daily use and cleaning?

The straw lid reduces spill risk while making sips easy during movement or workouts. Most lids and straws are dishwasher safe; check the vessel base for specific cleaning guidance to keep seals and parts in good shape.

• Straw lid designed to lower splashes while drinking on the move.
• Removable straw and lid components for rinsing or dishwasher cleaning.
• Replacement parts available from Simple Modern for long-term use.

What materials and safety features should I expect?

The Trek uses 304 (18/8) stainless steel on the interior and durable outer finishes built for daily handling. Materials are free from BPA, lead, and phthalates, and the finish resists scratches and chips through routine use.

• Food-grade 304 (18/8) stainless steel interior resists corrosion.
• No BPA, lead, or phthalates—made for everyday hydration.
• Durable exterior finish that pairs with other Simple Modern items.

Who is this for: The Simple Modern Trek 40oz is aimed at commuters, gym-goers, travelers, and busy parents who need a large-capacity bottle that’s easy to carry and reduces spills. It’s a practical gift for anyone who wants a dependable, insulated tumbler with a handle and straw—especially those who prefer a coordinated look with other Simple Modern drinkware.