How do self-inflating camping mats work?

Self-inflating camping mats use compressible foam insulation and inflate like an airbed without requiring the use of an air pump. They are warmer than airbeds, and more packable than simple foam camping mats. They provide a comfortable and portable sleeping surface that can be carried with ease during camping, hiking, or other outdoor activities. It sounds like magic, but there

Portable Self Inflating Camping Mat Outdoor Sport Travel Picnic Seat Cushion Lightweight Inflating Cushion Seat Mat - AliExpress

How Does a Self-Inflating Sleeping Pad / Mat Work? We Have the Answers!

Goplus Inflatable Sleeping Pad, Self Inflating Camping Mattress w/Carrying Bag Blue

The Best Camping Mattresses & Sleeping Pads of 2024

Which Self Inflating Mat?

The SylvanSport Cloud Layer Self-Inflating Camping Mattress lets you take home-like comfort to your campsite. The innovative valve system makes

Cloud Layer Self-Inflating Camping Mattress

Silverton™ Self-Inflating Sleeping Pad, Blue

Camp Self Inflating Affordable Sleeping Pad

, 5 Inches Ultra-Thick Inflatable Camping Pad, Lightweight and Portable, for Camping, Hiking, Backpacking, and Traveling Enhance Your Camping

QPAU Self-inflating Sleeping Mat with a Built-in Pump

Outdoor Revolution Camp Star Double 100 Self Inflating Mat

How do self-inflating camping mats work?