The Bassday Crystal Popper 30S is a 30mm, 2.3g sinking popper crafted from transparent solid resin, designed for ultralight game fishing. This Japanese-made lure utilizes light diffusion technology to mimic a school of white bait, enhancing its appeal with sound, bubbles, and a distinctive wave action. Its solid body and precise weighting allow for excellent casting distance and a versatile retrieve, making it effective for a variety of saltwater and freshwater predators.