This folding windscreen is a great addition to outdoor cooking with a camp stove. Block the wind for for faster cooking and heat retention. You can also use this to help you start a fire in windy conditions. Each panel measures 5.25″ inches high by 3″ wide. There are 9 panels total. folded the stack measures 1/2″ thick. With the storage bag total weight is only 4.4 ounces! This windscreen is intended for use with stoves that do not mount to the top of a tank. The stove would be too high for the windscreen to be effective. Use this with stoves like the MSR Whisperlite or similar as shown, stove not included.