If you want to buy a wig and scared that it may not fit then read on. Some wig brands do come in different sizes namely mini-petite, petite, average, large, extra large as well as standard size or one size fits all.
The standard size doesn’t mean that all people share the same shape or size of head. However, if you are still in doubt better purchase a wig with an adjustable strap, like the one in the picture, so you can control its fit.
pic via www.hairstopandshop.com