As the saying goes, buy things only choose the right not expensive. To buy a good price and affordable silicone sets, cell phone sets, protective 　　cover, then. Please take a look at this article, it is absolutely helpful for you.
First, the material is different.
Material is good or bad determines the silicone sleeve feel, appearance and taste.
Feel: good feel smooth, poor feel sticky
Appearance: good color uniform, poor surface rough, different shades of color, and even observed impurities
Taste: silicone more or less smell. Poor silicone taste is particularly strong, unpleasant.
Second, the mold is different. Mold design of the reasonable, fine degree, laid the silicone sleeve finished product quality, ease of use.
Other, silicone thickness, post-processing, etc., will also affect the cost of silicone sets.
In general, the higher the cost of the silicone sleeve. But not the thicker the better, or thin on the poor. For example, thick may affect the feel / operation, thin and more personal.
Post-processing, including dust treatment, burr trim.
Surface treatment in different ways, the cost is also very different. As printing, radium transfer, Dijiao, color printing, and so on. Their price is directly related to the cost, efficiency, labor cost, and bad rate control of the product at the time of production. The more trouble the process, the more the process, the more the cumulative rate of non-defective, the higher the price.