1Made of high quality PP material, safe and nontoxic, stable and ecofriendly, durable for use. 2Can accommodate all sizes of hearing aid batteries, with a wide range of use, convenient for use. 3Special design for saving space, light weight and in small size, easy to carry when going out. 42 spare batteries can be placed, suitable for different occasion such as traveling, camping, hiking or at home. 5Simple and elegant appearance, perfect for storing and protecting your batteries, important accessory for hearing aid.
