LARS NYSØM Ren 1000 ml Insulated Stainless Steel Bottle

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Product guide

LARS NYSØM Ren 1000 ml Insulated Stainless Steel Bottle

LARS NYSØM Ren is a 1000 ml stainless steel insulated bottle with a screw cap and a listed 12-hour hot, 24-hour cold retention claim. Its tall, narrow listed dimensions and 406 g weight suit buyers carrying a larger drink portion, while hand-wash care is a consideration.

At a glance

Double-wall vacuum insulation is claimed to keep drinks hot for up to 12 hours and cold for up to 24 hours.
The listing describes a leakproof screw cap with a silicone seal and suitability for still or carbonated drinks.
At 1000 ml, it offers a relatively large listed capacity in a 3.07-inch-wide bottle.

Price

$28.79Save 26%

Reference price: ~~$38.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

The 1000 ml capacity can reduce how often you need to refill compared with smaller bottles.
The screw cap and claimed leakproof design suit carrying the bottle in a bag when properly closed.
The listing specifies 18/8 stainless steel and insulation for both hot and cold drinks.

Cons

Hand-wash-only care is less convenient than a dishwasher-safe bottle.

Technical specifications

13 specifications

Identity
Brand	LARS NYSØM
Model	Ren

Capacity and materials
Capacity	1000 ml
Material	18/8 Stainless Steel
Color	Carbon Black
Recommended use	Tea
Age range	Adult

Insulation and closure
Additional features	Cold 24 Hours, Double Wall, Leakproof
Cap type	Screw Cap

Dimensions and care
Dimensions (W × H)	3.07"W x 12.28"H
Base diameter	3.07 inches
Weight listed	406 g
Care instructions	Hand Wash Only

What to know before buying

Listing details to confirm

The title calls this a 34 oz bottle, while the product details specify 1000 ml. The dimensions also vary between the details and feature copy, which gives 12.4 inches tall and about 3 inches in diameter. Treat the listed 3.07-inch width as a guide and check fit for a specific cup holder before buying. The 12-hour hot and 24-hour cold figures are manufacturer claims, not independently verified performance. Although one listing passage says the plain-colored model is dishwasher safe, the product-care field says hand wash only. Follow the more conservative hand-wash instruction unless the selected product's care guidance confirms otherwise.

What’s in the box

Included

Water bottle

Who is it for?

A good fit for

People who want a 1000 ml insulated bottle for tea, water, or other hot and cold drinks.
Commuters and travelers seeking a screw-cap bottle with a listed leakproof design.
Buyers who prefer a stainless steel bottle and do not mind hand washing.

Less suited to

Anyone who needs a clearly confirmed dishwasher-safe bottle.
Buyers who need a precisely verified fit in a particular cup holder.

LARS NYSØM Ren 1000 ml Insulated Stainless Steel Bottle · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 6,889 ratings

5 stars80%80%
4 stars11%11%
3 stars3%3%
2 stars2%2%
1 star4%4%

Customer feedback highlights temperature retention, appearance, portability, and leak resistance. Customers also report that the bottle fits cup holders and backpacks. These perceptions align with the listing's insulation and dimensions, though the listed 3.07-inch width should be checked against a particular holder. Overall ratings skew strongly positive, but they do not establish a specific performance outcome for every bottle.

Positive themes

Customer feedback praises temperature retention, appearance, portability, and leak resistance.
Customers report that the bottle works well for cup holders and backpacks.

Frequently asked questions

How much does the LARS NYSØM Ren hold?

The product details list a capacity of 1000 ml. The title also describes it as 34 oz, so check the selected listing if that unit difference matters to you.

How long does the bottle claim to keep drinks hot or cold?

The manufacturer listing claims up to 12 hours hot and 24 hours cold using double-wall vacuum insulation. These are listing claims, not independently verified results.

Is the bottle dishwasher safe?

The information conflicts: the care field says hand wash only, while another passage says plain-colored models are dishwasher safe and recommends hand washing for longevity. Hand wash unless care instructions for the selected model confirm otherwise.

Can it hold carbonated drinks?

The listing says it is suitable for carbonated drinks and describes a screw cap with a silicone seal.