There are 4 natural powder attractors, Protein Binder, Krill Meal, Silkworm Chrysalis & Maggot Meal. All are available in 350g bags. Each attractant has its very own distinctive aroma, however, when these are mixed into your groundbait mixes is when you really notice the pulling power of them. All are very high in protein and vitamins which fish want and will find amongst a myriad of underwater scent trails. Use them in paste mixes, groundbait mixes & Stick mixes for outstanding results. Maggot Natural Maggot Meal. Add to Paste, Groundbait and Stick Mixes for great results. Silkworm Chrysalis Natural Silkworm Chrysalis Meal. Add to Paste, Groundbait and Stick Mixes for great results. Krill Natural Krill Meal. Add to Paste, Groundbait and Stick Mixes for great results. Protein Binder Natural 70% protein used as a binding agent for Paste, Groundbait and Spod mixes.