Size-adjustable plastic EVA slippers

The utility model discloses a size-adjustable plastic EVA slipper which comprises a sole, a groove is formed in the surface of one side of the sole, an extension plate is inserted into the groove, one end of the extension plate is fixedly connected with an adjusting part, the upper end face of the adjusting part is fixedly connected with a plurality of sets of air bags, one side of each air bag is fixedly connected with an air nozzle, and the other side of each air bag is fixedly connected with an air cushion. First convex teeth are arranged on the two sides of the extension plate, a supporting column is fixedly connected to the lower end face of the extension plate, and a locking bolt is in threaded connection to one side of the shoe sole. According to the size-adjustable plastic EVA slipper, the length can be adjusted according to requirements, the practicability of the plastic EVA slipper is improved, during adjustment, firstly, a locking bolt is unscrewed, so that a second convex tooth is separated from a