Soft and water repellent Dyna perfect for the Ergolife Stol. Easy roll Dyna up and put it in the Ergolife chair sack. Dyna is perfect to put under the Ergolife chair for protection or in the Ergolife chair to keep warm during cold days. Dyna can also be used in garden chairs or on cliffs and of coarse on the ground. Bring Dyna for a day in the park!