How thick is the Alvantor topper?

It is 1.5 inches thick. That is a thin topper meant to add cushioning, not to rebuild a worn mattress.

Does the cooling gel really keep you cool?

The gel layer and ventilation holes are designed to reduce heat compared with plain memory foam. Expect a modest effect, not a chilled surface.

How long until it expands?

It ships compressed. Unbox it and let it sit in a ventilated area for about 24 hours to reach full size.

Can I put it in the sun to air out?

No. Direct sun can yellow the foam. Air it indoors in a ventilated room instead.

Will it fit a Twin bed?

This version is sized for a Twin mattress at about 38 by 74 inches. Check your mattress dimensions before ordering.

Is it good for a very firm mattress?

It softens a firm mattress a little. For a sagging or very hard mattress, a thicker topper gives more relief.

Alvantor 1.5 Inch Cooling Gel Memory Foam Mattress Topper

Best price now

$18.99at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

Alvantor 1.5 Inch Cooling Gel Memory Foam Mattress Topper

Best price now

$18.99at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $18.99 at Walmart on Nov 12.

Our take on the Alvantor 1.5 Inch Cooling Gel Memory Foam Mattress Topper

The Alvantor is a 1.5-inch memory foam mattress topper with a cooling gel layer and ventilation holes punched through the foam. It is a thin topper, so it adds a light cushioning layer rather than transforming a hard mattress. The gel and perforations aim to cut the heat that plain memory foam traps. It suits sleepers who want a modest pressure-relief layer on an already decent mattress, not a full mattress makeover.

Best forShoppers wanting a thin cushioning layer on a firm mattressHot sleepers wary of standard memory foamGuest beds and dorm mattressesBack and side sleepers with mild pressure points

Pros

Cooling gel layer targets heat buildup
Ventilation holes add airflow through the foam
1.5-inch profile adds cushioning without changing bed height much
Memory foam contours to shoulders and hips
Ships compressed for easy handling

Cons

Thin profile gives limited support for very hard or sagging mattresses
Memory foam can still sleep warm for some
Needs about 24 hours to fully expand after unboxing
Gel layer is thin, so cooling effect is modest

Alvantor 1.5 Inch Cooling Gel Memory Foam Mattress Topper prices at every store

WalmartNew
In stock
$18.99Checked Nov 12
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About the Alvantor 1.5 Inch Cooling Gel Memory Foam Mattress Topper

This 1.5-inch memory foam mattress topper uses high-density foam with cooling gel. It has ventilation holes for breathability. The foam adapts to body curves and helps relieve pressure points.

It ships compressed. After unboxing, let it expand for 24 hours in a ventilated area so it returns to its original size. Keep it out of the sun to prevent yellowing.

Thickness: 1.5 inch
Size: Twin, 38.19 x 74.02 x 1.50 inch
Material: High-density memory foam with cooling gel
Features: Ventilation holes for breathability
Care: Avoid sun exposure to prevent yellowing
Setup: Allow 24 hours in a ventilated area to expand

Specifications

color: OtherSource
actual_color: 1.5 inch Twin/38.19 x 74.02 x 1.50 inchSource

Questions and answers

How thick is the Alvantor topper?: It is 1.5 inches thick. That is a thin topper meant to add cushioning, not to rebuild a worn mattress.
Does the cooling gel really keep you cool?: The gel layer and ventilation holes are designed to reduce heat compared with plain memory foam. Expect a modest effect, not a chilled surface.
How long until it expands?: It ships compressed. Unbox it and let it sit in a ventilated area for about 24 hours to reach full size.
Can I put it in the sun to air out?: No. Direct sun can yellow the foam. Air it indoors in a ventilated room instead.
Will it fit a Twin bed?: This version is sized for a Twin mattress at about 38 by 74 inches. Check your mattress dimensions before ordering.
Is it good for a very firm mattress?: It softens a firm mattress a little. For a sagging or very hard mattress, a thicker topper gives more relief.
Where is the Alvantor 1.5 Inch Cooling Gel Memory Foam Mattress Topper cheapest?: At Walmart, for $18.99, as of our latest check.
What do buyers say about the Alvantor 1.5 Inch Cooling Gel Memory Foam Mattress Topper?: Rated 4.8 out of 5 from 5 ratings.