60%Cotton+24%Polyester+12%Polyammide+4%Lycra Perfectly fitted, they are worn like normal underpants. Machine washable at 60° C (140°F). Absorbs up to 150 ml of liquid. The first layer of cotton is breathable, protecting the skin. Maintains its high absorbency even after many washings. Do not use fabric softeners during the wash cycle, and hang dry.Size chart help: S/M= pelvis inc 35.5-39.0; L/XL= pelvis inc 39.1-43.3; XXL= pelvis inc 43.4-45.8