should I put the mattress pad over or under this pad?

We recommend putting the mattress pad over the topper.

does anybody use this topper upsidedown? so that the flat side is up and the egg carton divots face down?

In a hospital setting. The flat side is on the bottom. Allows air to circulate. Would be interesting to hear from the manufacturer says. I’ve had one of these in the past. I out a thin mattress pad down on the bare mattress, then this egg crate topper, then a heavy mattress pad, then the sheets. It was wonderful.

I have a xl twin. will the twin fit?

it should be fine, you will have a few inches at the head or feet with no topper, shouldn't be a problem. you only need it under your body . these things are pretty versitile, i have a twin bed and ordered a king, folded it in half, and put it inside a twin mattress protector to hold it all together. i had to cut a little of the lenghth but it is easy to cut with shears. i put the part i cut off in a pillowcase for my dog.

What is the length and width

Blessedxu you are wrong about the size of the Mattress it is 30 Inches WIDE

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ZINUS 1.5 Inch Swirl Gel Cooling Memory Foam Mattress Topper, Cooling Airflow Design, CertiPUR-US Certified, Full

ZINUS 1.5 Inch Swirl Gel Cooling Memory Foam Mattress Topper, Cooling Airflow Design, CertiPUR-US Certified, Full

Product ID: 44235681

Details

Brand
Zinus
Color
Blue
Fabric Type
Elastic
Size
Full
Special Feature
Cooling

❄️1.5-inch cooling gel swirl layer

🌬️Wave Dynamics airflow design

🛡️CertiPUR-US certified durable foam

$399.96

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Description

❄️ Sleep Cool, Feel Fresh, Wake Refreshed!

EFFORTLESS SETUP - Compressed packaging expands to full shape within 72 hours—unbox, unroll, and relax.
STAY COOL ALL NIGHT - Innovative gel-infused memory foam actively dissipates heat for a refreshing sleep experience.
BREATHE EASY COMFORT - Wave Dynamics technology promotes continuous airflow, preventing overheating and moisture buildup.
SLEEP WITH CONFIDENCE - Backed by a worry-free 5-year limited warranty and thousands of glowing reviews.
CERTIFIED QUALITY ASSURANCE - Crafted with CertiPUR-US certified foam ensuring durability, safety, and eco-friendly materials.

The ZINUS 1.5 Inch Swirl Gel Cooling Memory Foam Mattress Topper combines advanced cooling gel technology with Wave Dynamics airflow design to regulate body temperature and enhance comfort. Made from CertiPUR-US certified memory foam, it offers plush support while ensuring durability and safety. Designed for easy setup, it expands to full size within 72 hours and comes with a 5-year limited warranty, making it a smart upgrade for anyone seeking cooler, more restful nights.

Specifications

ASIN	B073JX573H
Age Range Description	Adult
Best Sellers Rank	#57,895 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #187 in Mattresses Toppers
Brand Name	Zinus
Closure Type	Pull On
Color	Blue
Customer Reviews	4.1 4.1 out of 5 stars (36,658)
Fabric Type	Elastic
Global Trade Identification Number	00841550206470
Included Components	Mattress Topper
Item Display Dimensions	73 x 52 x 1.5 inches
Item Firmness Description	Plush
Item Type Name	Topper
Item Weight	4.9 pounds
Manufacturer	Zinus
Manufacturer Part Number	AZ-SWFT-150F
Manufacturer Warranty Description	Worry-free 5 year limited warranty included; a new foam scent is normal and should dissipate within 72 hours
Material Type	Memory Foam
Model Name	Zinus 1.5 Inch Swirl Gel Memory Foam Air Flow Topper, Full
Model Number	AZ-SWFT-150F
Number of Items	1
Number of Packs	1
Other Special Features of the Product	Cooling
Product Care Instructions	Wipe with Dry Cloth
Size	Full
UPC	841550206470
Unit Count	1 Count
Water Resistance Level	Not Water Resistant

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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$399.96

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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