The pocket blacket is made of waterproof fiber HyprLyte nylon woven and a polyester storage bag which can hold the blanket in a really small and portablesize.
There are polyester storage bags for size 2"x3" and size 3"x4" for each two sizes of the pocket blankets.And there is a carabiner for the standard size so that you can hang it on your bag without losing it.
There are two version which one is mini for unfold size 28"x43" and `standard for size 43"x63".
Mini version weights 38g and suits for2 people sitting on it. Standard version weights 98g and suits for 4 people.
The thickness of the mat is only 90 microns and it has strong penertration ability to keep the sand or mud away.Water can clean it up after using.