These re-usable extra long panty liners are a perfect partner to the pelvic bra. They are thong style with a wider portion at the front and a narrower portion at the back. They have 2 snaps to keep them securely in place. They are extra long and offer a nice barrier between the pelvic bra and your delicate tissue. These are designed to be worn without panties but can also be paired with panties underneath based on your preference. These reusable panty liners are 100% cotton with flannel on one side that reverses to soft cotton on the other. They are also reversible. Size 1 is recommended for XXS - M sizes PelvicBra Size 2 is recommended for L - XL sizes PelvicBra 3 liners per package. Machine washable. Limited quantity.