Description: Three-layer thickened lens is very clear, with the characteristic of resist compression and wear resistance. The anti-fog coating works well, has excellent visibility, and gives you much broader view underwater. The silica gel grommet and widened inner seal strap are designed in the swim goggles, offering great coverage and sealing correctly on your face without leaving marks. The strap has a clasp that makes the goggle is easily to be adjusted to the appropriate size according to your needs. The bracket between the two lenses is detachable, you can replace the old or bad lever at any time. Specification: Material: Silicone Size: 20x20x10cm/7.87x7.87x3.94inch Package Includes: 1 Pair Kids Swimming Goggles 1 Piece Carry Case Note: You are supposed to dip the goggles in the pool for a couple of minutes prior to using it in order to acclimate the goggles to the temperature of the water. Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.