Thickness: about 1cm

110cm S use range (2-1-2-7) 70-90cm, recommended suitable waistline range (2.1 feet -2.5feet) 70-85cm
120cm M use range (2 feet 4-3 feet) 80-100cm, recommended suitable range (2.5 feet -2.8feet) 85-95cm
130cm L use range (2 feet 6-3 feet 3) 85-110cm, recommended suitable range (2.8 feet-3.3feet) within 95-110cm