Valley View RC 30cc Wing Bag The Wing bags are made of 600 nylon cloth that is verydurable and long lasting. The full zipper allows the bag to open flat for easy storage and removal of wing panels. Both sides are protected with 3/8" heavy foam, covered by fleece. There is a storage pocket in the bottom of the wing bag for the wing tube. Shoulder strap and handle included with bag. We have four different sizes so please verify you wing size before ordering.