Large cockring. Comfortable and stretchy ring. Improve sexual performance. Put on the penis or the balls. Dimensions package 4.72" x 4.53" x 0.51" Weight package 1.23 oz Product dimensions 5.4 x 5.4 x 1 cm Product weight 10.00 gram Product diameter 5.4 cm Inner diameter 3.5 cm Waterproof Yes Splashproof Yes Phthalate free Yes Materials silicone