Set of Five Sizes which can be seen in size chart on photo. BPA Free. Unisex set for men or women. Waterproof Silky Smooth. Very Lightweight for no added pressure. Cleaning: clean with soap and water and let air dry. Comes with a travel pouch and instructions. The Palvia set sizes are as follow: Size 1 Width .5 Inches, Length 2.25 inches Circumference 1.57 Size 2 Width .75 Inches, Length 3.5 inches Circumference 2.36 Size 3 Width 1 Inches, Length 4.5 inches Circumference 3.14 Size 4 Width 1.25 Inches, Length 5.5 inches Circumference 3.93 Size 5 Width 1.5 Inches, Length 6.25 inches Circumference 7.71