With this kit you will be able to tie Crickets, Ants, and Beetles in no time. This kit utilizes our closed cell foam so your flies will float all day. Each 3" x 4" foam sheet is 2mm thick and Pre-Cut into different widths. Kit Includes: Tying Instructions 2mm Sheet of Black (40 Strips) 2mm Sheet of Red (40 Strips) 3mm Sheet of Black (22 Strips) 4mm Sheet of Black (17 Strips) Black Rubber Legs Enough material to tie dozens of flies.