HARD AND DURABLE BOX: Perfectly-sized placement without being too tight or snug to hold batteries securely but still easy to pull out. This battery holder is made of durable, high-impact plastic, safe and non-toxic.

MULTIPURPOSE STORAGE BOX: This versatile box can easily use to store standard 18650 batteries. It can be used not only for storing battery, but also other small accessories such as headphones, necklaces, earrings, etc.

CONVENIENT SIZE: Small volume, light weight, easy to storage and carry. This lightweight plastic case keeps your batteries protected from the water/moisture and convenient for storage.