Amazon.com: LTGEM EVA Hard Case for JBL JR300BT / Jr310BT, Sony MDR-ZX110 / MDRZX110NC / MDR-ZX310AP Wireless On-Ear Headphones - Pink+Grey : Electronics
Amazon.com: Aproca Hard Travel Storage Case, for JBL JR 300BT / Jr310BT Kids Wireless On-Ear Wireless Headphones : Electronics
Amazon.com: Mchoi Hard Portable Case Fits for JBL JR 300BT Kids On-Ear Wireless Headphones, Case Only : Electronics