This is for ONE neoprene replacement gasket for Origo type alcohol absorption cannister stoves. 4 inch diameter vs 3.75 inch OEM gasket for easier placement without leaving a gap. A bargain, compare at up to $17 each at boat stores! Buy soon, supplier tells me price is going up on the next batch. Ships to USA, Canada, UK, Germany, France, Italy, Spain. Costs less than alcohol lost to evaporation!