S: Suitable Waist 1 foot 6-1 feet 8<br />M: suitable for waist circumference 1 foot 8-2 feet 1<br />L: suitable for waist circumference 2 feet 1-2 feet 3<br />XL: suitable for waist circumference 2 feet 3-2 feet 5<br />XXL: suitable for waist circumference 2 feet 5-2 feet 7<br />XXXL: suitable for waist circumference 2 feet 7-2 feet 9