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! Approximate Product Dimensions:Total Length: 2 in. (5.1cm)Width/Diameter: 2 in. (5.1cm)Unstretched Inner Diameter: 1.5 in. (38mm) Approximate Product Dimensions: Total Length: 1.5 in. (3.8 cm)Width/Diameter: 2 in. (5.1 cm)Unstretched Inner Diameter: 1.5 in. (38 mm)