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4 Inch Memory Foam Mattress Topper Full Size

$64.99 (Price correct as of 10/30/2026 22:45 PDT · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

This full size 4 inch memory foam mattress topper is made to add a thicker comfort layer to a mattress. It uses a fitted style with a 360° elasticized pocket and is stated to fit mattresses 6 to 21 inches deep. Allow 48 hours in a well-ventilated area after unpacking for expansion.

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SKU: B0GTLKPD9V Category:

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Quick Summary

This 4 inch memory foam mattress topper in full size is made to add a thicker comfort layer to a mattress. The product is described as using a fitted style with a 360° elasticized pocket, and it is made for mattresses with a 6 to 21 inch depth range.

If you are comparing options for a full size bed, the main things to check are the mattress depth, the 4 inch topper height, and whether you want a fitted design that stays centered on the mattress.

Key Details

Detail Product information and buyer relevance
Product type Memory foam mattress topper for adding an extra comfort layer.
Size Full size, so it is meant for a full mattress.
Topper height 4 inch profile, which affects how much extra padding it adds.
Mattress depth range 6 to 21 inches, so mattress depth should be checked before choosing an offer.
Fit style Fitted style with 360° elasticized pocket for a more secure hold on the mattress.
Recovery time Allow 48 hours in a well-ventilated area after unpacking so it can fully expand.

What to Compare Before Buying

  • Mattress size: This model is full size, so compare it with the bed size you need.
  • Mattress depth: The stated fit range is 6 to 21 inches, so check your mattress depth carefully.
  • Topper height: The 4 inch profile changes the overall feel and height of the sleeping surface.
  • Fit style: The fitted design and elasticized pocket matter if you want a topper that wraps over the mattress.

Before You Decide

Confirm that you need a full size topper and that your mattress depth falls within the stated 6 to 21 inch range. Also allow time for the topper to expand after unpacking before planning first use.

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