Get an excellent night"s rest with the water-resistant Stansport Full Self Inflating Single High Air Mattress. Made of high density cell foam covered in nylon, this self-inflating air mattress is great for layering under sleeping bags for comfy support. Excellent for use outdoors and in, this Stansport 1" mattress feels like a plush, snuggly bed--even in damp conditions. Compact and lightweight, roll the mattress up and strap it to a backpack or store it in small spaces when it"s not in use.