PVC is PVC and shiny. Transparency is better than polyethylene, polypropylene, worse than polystyrene, PVC patches flexible and tough, sticky feel, common products of the same materials are plates, pipes, soles, toys, doors and windows, wire leather, stationery, etc. PVC is a polymer material that uses a chlorine atom to replace a hydrogen atom in polyethylene. What is the use of the PVC patches?

Nowadays, many people use custom challenge coins. Custom challenge coins are very common in people's life. But as we all know, not everyone is going to understand the process of custom challenge coins. And the process of a custom challenge coin determines its quality. A custom challenge coin of high quality must strictly follow the process and have a set of their process system. Then, let's introduce in detail what is the process of custom challenge coins?

A custom challenge coin is a coin that you wear on your body to identify yourself. In ancient times, there are tiger characters, fish characters, waist cards, and so on are now the rudiment of the custom challenge coin, has now had the custom challenge coin, especially the characteristics of the custom challenge coin. The origins of the custom challenge coin vary, but it is believed that they were designed to be easily identifiable on the battlefield. It's important to note that in the Middle Ages, in the kinsfolk system, warring parties often relied on knights and their vassals as their base unit, so it was important to identify one's master or servant. In any case, for a family of any stature, the custom challenge coin is a source of pride and cohesion. Then, let's introduce in detail what is the origin of the custom challenge coin?

Souvenir coins are the general name of commemorative chapter-shaped items, including three categories: souvenir coin badges, souvenir coin collection medals, and decorative souvenir coin badges.