Waterproof: polyester material.
Capacity:
FOLDING COT METHOD
1: FIND A QUIET PLACE.
2: THERE IS A PLACE TO PRESS X WITHOUT FORCING IT.
3: CLOSE THE ZIPPER ON THE BACK OF THE BACKPACK AND PULL WITHOUT FORCING.
4: MAKE SURE YOU CLOSE EVERYTHING WHEN YOU PUT FOOD IN.
VERY COMFORTABLE AND YOU CAN TAKE IT ANYWHERE