Protective Maintenance and Upkeep Care Set for Widex BTE (Behind the Ear) Hearing Aids Sound Amplifier Devices Protective Maintenance and Upkeep Care Set - Extend the life and comfort of your Hearing Aids COMES WITH PROTECTIVE DURABLE BOX ORGANIZER: KEEPS YOUR ACCESSORIES FROM GETTING LOST AND BEING ALL OVER THE PLACE Sleeves Fit BTE Hearing Aids from 1.25 to 2.0 Inches (3.2cm to 5.10cm) in Height (Height is Measured from base of the Hearing Aid to Top of the Earhook Mold). Check the Photo Ruler Picture and compare it to the Height of your Hearing Aid before purchasing. Also Check installation diagram photo for the different possible wear methods. As pictured Above . Hearing Aids or Batteries not included! Check Product Description for Additional Information and Compatibility