What kind of keychain is more practical?

At present, there are two main types of keychains, metal keychains and soft keychains. Metal keychains are generally made of pvc, silicone, metal and other materials. The production lines are bright and have a texture. 

Soft keychains are generally made of PVC environmental protection The material, its advantage is that the color is bright, it will be much lighter, and the price is relatively cheaper. It is because of the practical, beautiful and cheap advantages of the keychain produced by Meishang, for many companies, the keychain is produced with Their company logo or advertising keychain is indeed a good choice for customers or consumers. This advertising effect is not only long-term effective, low price, and more importantly, easy to be accepted by others