According to the thickness of the blanket, there are currently three types:

About 8 mm, 1 1 mm, 33 mm and metal plate.

The main feature of 8 mm is easy retraction, and the price is around 40 to 70 yuan;

The main feature of 1 1mm is that the foot feel is better than 7MM, and the price is around 50-80 yuan.

33 mm is mainly zipper type, characterized by good foot feeling and low sound, and the price is about 100 yuan;

The metal plate is characterized by its firmness, good foot feeling, and its price is above that of 400 yuan.