Yes, the SwimZip Baby Girl Long Sleeve Sunsuit Romper with UF UPF 50+ swimsuit is machine washable. It is recommended that you wash it on the delicate cycle due to the light weight of the fabric. It dries very quickly, so there is no need to toss it into the dryer, as the heat from the dryer could cause it to deteriorate. It is very important to always follow the manufacturer's guidelines for washing and drying a swimsuit.