Only used this a handful of times.Took exceptional care of it when washing -- wool specific detergent, cold water, air dry. Check size chart in image for sizing. Natural interlock wool cover with contract stitching. Sloomb undyed interlock wool covers are a great day/play weight wool cloth diaper cover option, with a high rise to cover your one-size or thicker night time diapers. Content: 95% merino wool | 5% spandex Care: hand wash, lay flat to dry. Milled, felted, & sewn in the USA.