No more high n’ tight nads. Our Stretch Flex Trainers deliver low n’ loose. We sweated the details on the ergonomics…ridged at the top and bottom, to keep you in place. Cums in 2 sizes for a gradual, cushioned stretch. Made of soft n’ flexible body-safe silicone. Loosen up, bro! - Total Length Small: 1.5 in. (3.8 cm) - Large: 2 in. (5.1 cm) - Width/Diameter 2 in. (5.1 cm) - Ring Inner Diameter 1.5 in. (38 mm) - Material Silicone