Features 1、Made of high quality PP material, safe and non‑toxic, stable and eco‑friendly, durable for use. 2、Can accommodate all sizes of hearing aid batteries, with a wide range of use, convenient for use. 3、Special design for saving space, light weight and in small size, easy to carry when going out. 4、2 spare batteries can be placed, suitable for different occasion such as traveling, camping, hiking or at home. 5、Simple and elegant appearance, perfect for storing and protecting your batteries, important accessory for hearing aid. Specification Condition: Item Type: Hearing Aid Battery Box Material: PP Function: 2 spare batteries can be placed Product Size: Approx. 8 x 2 x 1cm / 3.1 x 0.8 x 0.4in How to Use: 1. Select the battery you want to put. 2. Push away in the opposite direction. 3. Insert the battery (A10, A13, A312, A675 are acceptable). 4. Push back into place. Package List 1 x Hearing Aid Battery Storage Box