The hyper-rattle series creates a unique combination of sight and sound that triggers more bites to catch more fish First of it's kind Sonic rattle chamber calls fish in from a distance. HD2 (high definition/high durability) finish features glow and UV to optimize visibility in dirty water This bait offers the balanced, life-like swimming presentation that jigging Minnow baits are known for Available in 10 colors and 3 sizes