This carp fishing bait trap cage feeder is made of sturdy metal wire with a durable coated surface, available in common sizes for coarse fishing. It is designed to hold carp baits and lures steadily, releasing bait scent slowly to attract fish effectively in freshwater. It works well for bottom fishing in rivers, lakes and ponds for carp and other coarse fish. It keeps your bait in the targeted fishing spot, avoids bait scattering, and is an essential practical accessory for carp fishing lovers.