How long will the sheets last? February 18, 2021 18:19 With normal use and regular washing the sheets will maintain their soft, durable feel for 5 years or more. Related articles How can I wash my sheets? What materials are the sheets made from? What materials are in the Birch Plush Organic Mattress Topper? How long will it take for my order to arrive? What’s included in a sheet set?