Small Suitable for Height 151-158cm， <br />Medium suitable for 161-168cm， <br />Large suitable for 171-178cm， <br />X- Large suitable for 181-188cm<br />Made of polar fleece ， machine washable<br />Whether for cosplay， costume party， sleepwear， or just simply chilling out，<br />you will be sure to have a good time.<br />We offer four range of sizes to make sure you get the best fit. <br />Our onesies are easy to put on and so comfy， you would never want to take them off!