S'well Stainless Steel Traveler 40oz Green Jasper - Long-Lasting

Our review of the S'well Stainless Steel Traveler 40oz in Green Jasper finds it best suited for anyone who needs high-capacity, reliable temperature retention on the move. The single biggest reason to buy is its triple-layered Therma-Swell insulation, which keeps cold drinks cold for up to 60 hours and hot drinks hot for up to 20, making it a solid choice for long outings, busy workdays, or extended travel. It balances substantial capacity with a carry-friendly design, though the size may be more than some people want for daily cup-holder use.

Key Features

• Therma-Swell Technology: Triple-layered vacuum insulation maintains cold for up to 60 hours and hot for up to 20, so beverages stay at serving temperature for extended periods.
• Wide Mouth Design: The wide mouth accepts ice cubes easily and makes filling and cleaning more convenient than narrow-neck bottles.
• Soft-Touch Handle: A silicone handle provides a comfortable, secure grip for carrying the 40oz bottle during commutes or outdoor activities.
• Condensation-Free Exterior: Zero sweat on the outside prevents wet bags and slippery surfaces, keeping hands and belongings dry.
• Food-Grade Stainless Steel: Constructed from 18/8 stainless steel and free of BPA/BPS, it offers durable, reusable hydration without metallic taste.

Who It's For

The S'well 40oz Traveler is ideal for people who want a high-capacity bottle for long days away from home: hikers, beachgoers, commuters with long shifts, or anyone who wants a single bottle to cover an entire day of hydration. Its insulation performance is the main draw for users who prioritize temperature retention over compact size.

Those who should look elsewhere include users who need something pocketable for small cup holders or who frequently carry very light loads; at 40oz the bottle is noticeably larger and heavier when full, and some customers find it too big for everyday handbag use.

Pros & Cons

Pros

• Outstanding temperature retention that keeps drinks cold for days and hot for many hours.
• Sturdy 18/8 stainless steel construction with a condensation-free exterior.
• Wide mouth and thick rim make adding ice and drinking comfortable and straightforward.
• Soft-touch handle makes carrying a full 40oz bottle easier than models without a handle.

Cons

• Size and capacity mean it can be bulky for some daily uses and may not fit all cup holders or small backpacks.

Specifications

Brand	S'well
Capacity	40oz
Material	18/8 food-grade stainless steel
Insulation	Triple-layered vacuum with Therma-Swell Technology
Temperature Performance	Cold up to 60 hours, Hot up to 20 hours
Handle	Soft-touch silicone handle
Safety	BPA/BPS-free, California Prop 65 compliant

Our Verdict

The S'well 40oz Traveler in Green Jasper is a dependable choice for anyone who values long-lasting insulation and solid build quality in a single bottle. It delivers professional-level temperature retention and a practical wide mouth plus handle, making it good value for users who need high capacity and durability. Those needing ultra-compact portability should consider smaller options.

Frequently Asked Questions

Will ice last in this bottle?
Yes; with the triple-layered vacuum insulation ice can last many hours and the bottle keeps drinks cold for up to 60 hours in typical conditions.

Is the exterior likely to sweat?
No; the bottle is designed to be condensation-free so it will not sweat in your hands or bag.

Is it safe for hot beverages?
Yes; made from 18/8 stainless steel and BPA/BPS-free, it keeps hot drinks warm for up to 20 hours and is safe for repeated use.