All of our products are tested in real conditions with anglers who's have most advanced feeder fishing experience. Standard and Bullet series are made of high quality plastic materials. LC and DS series are made from perforated metal mesh, with new processing technology which removes all sharp edges. The Master series are made of combination plastics and perforated metal mesh. All parts are fully plasticized. Feeders can withstand high pressure, and it's almost impossible to deform them. Every part has been manually controlled and finalized.