If you used this for a few items like a jacket, sweatpants, sweater, and it wasn’t filled up, would it still work?

I think it'd work as long as the volume you compress is longer than the length of the compression straps. The more you put in, the more you can compress up to the shortest distance between the straps (i.e., when you pull the straps as taut as they get). Maybe you can find a YouTube video to see how these compression bags work.

To what temperature are the bags rated? I need to keep my grandson warm!

A compression sack is not a sleeping bag. You stuff the sleeping bag into the sack to save on space. You'll have to see what the sleeping bag is rated to -- that is usually included in description of the bag.

What size do i need to fit something like this king size mattress topper? https://www.amazon.com/mattress-topper-cooling-cotton-pillowtop/dp/b07xd5r45

the link provided did not work properly, did a search on cooling cotton pillow top, too many hits to sort thru.

What size should I purchase to stuff a couple full size pillows in?

it would depend upon the stuffing in the pillows... super soft pillow, then then the 11L size. rock hard pillows then the 18L size. These compression bags do a fantastic job of forcing out the air and shrinking things down. My cool weather bag fits easily into the 18L bag.

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Frelaxy Compression Sack, Ultralight Sleeping Bag Stuff Sack, 40% More Storage! 11L/18L/30L/45L/52L, Compression Stuff Sack - Space Saving Gear for Camping, Hiking, Backpacking

Product ID: 399689598

Details

Age Range (Description)
Adult
Brand
Frelaxy
Color
Black
Material
Polyester
Occupancy
1 Person
Seasons
All Seasons

📦40% more storage

⚖️Ultra-lightweight (70g-140g)

🛡️Double reinforced seams

EC$167

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Description

Pack Smart, Travel Far! 🌍

VERSATILE SIZES - Available in 5 sizes to fit all your packing needs.
MAXIMIZE YOUR SPACE - Save 40% more space for your adventures!
HASSLE FREE EXCHANGE - Free size exchange without the return hassle!
LIGHTWEIGHT CHAMPION - Weighs only 70g-140g, perfect for on-the-go!
DURABILITY MEETS DESIGN - Crafted with tear-resistant polyester for lasting use.

The Frelaxy Compression Sack is an ultralight, durable solution for maximizing packing efficiency. With 40% more storage capacity and a range of sizes, it’s designed for campers, hikers, and backpackers who value organization and portability. Made from tear-resistant polyester, it features double reinforced seams for enhanced durability and a worry-free 12-month warranty.

Specifications

ASIN	B08M5GXBWC
Additional Features	Space-saving design, Durable materials, and Customizable size options
Age Range Description	Adult
Best Sellers Rank	#9,411 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 in Camping Sleeping Bag Compression Sacks
Brand Name	Frelaxy
Closure Type	Zipper
Color	Black
Customer Reviews	4.3 4.3 out of 5 stars (1,631)
Fabric Type	Nylon
Fill Material Type	Polyester
Included Components	stuff sack
Item Type Name	Sleeping Bag Stuff Sack
Item Weight	0.11 kg
Manufacturer	Frelaxy
Manufacturer Part Number	Frelaxy
Material	Polyester
Model Number	Frelaxy
Occupancy	1 Person
Seasons	All Seasons
Shape	Rectangular
ShellMaterial	Polyester
Size	Large
Sport Type	Camping & Hiking, Backpacking
Temperature Rating	Comfort
UPC	753858368333
Unit Count	1 Count
Warranty Description	12-MONTH WARRANTY

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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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TrustScore 4.5 | 7,300+ reviews

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EC$167

Duties & taxes included

In stock

Sold byAmazon Antigua and BarbudaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Antigua and Barbuda.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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2 weeks ago

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