01 Comfort: 5.4 x 0.7 x 1.4 cm / 2.1 x 0.3 x 0.6 inch
02 Comfort: 5.8 x 0.7 x 1.4 cm / 2.3 x 0.3 x 0.6 inch
03 Comfort: 6.0 x 0.7 x 1.4 cm / 2.4 x 0.3 x 0.6 inch
01 Semi-cylindrical: 5.4 x 0.8 x 1.0 cm / 2.1 x 0.3 x 0.4 inch
02 Semi-cylindrical: 5.8 x 0.8 x 1.0 cm / 2.3 x 0.3 x 0.4 inch
03 Semi-cylindrical: 6.0 x 0.8 x 1.0 cm / 2.4 x 0.3 x 0.4 inch