New with tags. Size medium. Fits a 29-31 inch waist. The waist trainer is a size 9” length, Short Torso Flexi Steel Design. The best waist trainers are meant to be very snug; so they created extenders which allow you to SIZE UP if your trainer is too snug or too painful when starting out. Not only will you be saving yourself the headache and money of exchanging or ordering another trainer, you'll likely be able to start training with a perfectly sized trainer!