This dilator set is very special, instead of being the typical metallic rod, these dilator are ended by a sort of bulb. What seems like a small difference brings in fact a big change in the sensation felt while using these dilator. Their special shape make the hole seems to close a bit behind the passage of the bud giving to the user some new sensations. the length of the Rosebud rods is 12" (30.5cm) of which 10.5" (26.5cm) can be inserted. The diameter of the buds vary from 6mm to 13mm making a 1mm.