These EM. EX Harness is a top of the line harness. It has built-in slots where you can insert your favorite bullet(s). One is placed behind the O ring section and one is tucked above it. They are made with a breathable poly/spandex, ideal for everyday use. Fits waist 31″-34″, hips 42″-44″ and size 16-18. EM. EX. Harness should be hand washed and air dried. Compatible with most dildos, vibes and probes.