Dial-up your derriere with the new b-Vibe 4- Piece Glass Anal Dilators Set! The Glass Anal Dilators Set consists of 4 small-to-large sizes, body-safe glass anal plugs explicitly designed to open up and relax the anal sphincter and rectum- a process that is often referred to as anal training. Crafted from special borosilicate glass thats 100% shatterproof, each tapered plug offers easy insertion, while the flared base provides maximum comfort for extended wear. Compatible with all types of lube and perfect for solo anal masturbation you can use the Glass Anal Dilators Set to train your booty to accept larger toys. These progressively larger backdoor dilators can be used in the preparation for any booty play, to facilitate pleasurable anal sex or simply for added sensation. Build up to pleasurable anal sex with a partner and experiment with added sensations- pop these temperature-friendly glass plugs in the fridge for a chilly feel or run them under warm water to heat things up! Its always fun, whether you are new to anal play or a seasoned connoisseur. The Glass Anal Dilators Set includes 4-Piece Glass Plug Set Guide To Anal Play User Guide Sizes 1.7 Wide x 3 Inches long 1.93 Wide x 3.34 Inches long 1.93 Wide x 4.1 Inches Long 2.38 Wide x 4.2 Inches long