Easily secure your car keys, house keys, office keys and others which can be connected by split rings
Round, about 5.5cm/ 2.17" in diameter, with enough elasticity to ensure that both adults and children can use it
Made of TPU, waterproof and environmental friendly material, soft and durable. If you take off the split ring, they can be used as wristband and hair rope, will not hurt your skin hair
They are helpful because you can place the key ring on your wrist, free your hand for other things
They can change color in different light sources and angles
