The KingCamp mattresses are the lightest self-inflating mattresses made by Therm-a-Rest. These light and versatile foam core pads are great for cold temperatures or those looking for a comfortable and lightweight self-inflating pad. The self-inflating mattresses are lightweight, compressible and now softer than ever, making them a perfect travel companion. Diamond pattern contain open-cell foam inside helps reduce overall lighter. Has a non-corrosive brass valve . When the valve is opened, air enters the mattress automatically without requiring campers to spend hours inflating it. A FREE stuff sack and repair kit are included with every pad. KingCamp Sleeping Mattresses will change how you think about sleeping outdoors by bringing you a better nights sleep.