●Material: PU leather (synthetic leather) ●Color: Pink, White, Rose, Black ●Size: Total length approx. 3.1 inches (8 cm) x width approx. 1.6 - 2.0 inches (4 - 5 cm) x thickness approx. 0.8 inches (2 cm) (Inner dimension: approx. 3.0 inches (7.5 cm) x width approx. 1.8 inches (4.5 cm). *Please check the size of the key you ●Internal chain included (chain ring for attaching smart keys, etc.) ●This case can store car remote keys, etc. Comes with a carabiner, so it is convenient and cute to attach to your bag. The interior has a jump ring with a chain, so you can use it without it falling off from the case if you are using it directly