Massage ball, massage ball, fascia release, stretch ball New, unused Set of 2 Diameter: Approximately 9cm Hard type I received these as a gift, but I don't think I'll use them, so I'd like to give them to someone who needs them. I plan to ship from the post office. Please note that shipping will only be on weekdays. Instant purchase OK ^_^ #Stretch ball #Fascia release #Massage ball #Training equipment