I am a big lady and finding underwear that fits and is economical is a challenge.  The sizing chart provided in the listing worked for me.  One recommendation, be honest when you measure your hips, even if it is depressing.  The undies are comfortable, did not shrink when I washed in warm water and dried in the clothes drier.  The feel of the fabric is soft and light weight.  I liked them well enough that I ordered a total of three packs in two separate purchases.
Worth the money, comfortable fit.