Bra Extender 1-row, 3-column (elastic rubber) 1 set This is a bra extender for adjusting bra size. It has elastic rubber, so it stretches. Since it's 1-row, it's perfect for junior bras, etc. How about using it to adjust the bra size for growing children? We also sell junior, children's, and teens' underwear. Please take a look! #PON235 Junior Products on Sale #Bra #Bra #Extender Hook #Extender Hook #Underbust #Size Adjustment #Girls #Girl #Underwear #Gynecomastia #Junior Bra #Cosplay #Growth Period #Adolescence #Middle School Students #High School Students #New School Term #Entrance Preparation #School Trip #Postpartum #Anonymous Delivery #Convenience Store Pickup