Thank you for viewing. These are bead head marabou flies with hook size #10. If you win the auction, please select 10 colors of your choice. Each square in the photo is 1cm x 1cm. Thank you. Please take a look at my other listings if you'd like. Size: Hook size #10 barbless, approximately 0.2 grams when dry. Colors: Bead colors are gold, silver, and red. Fly colors are (from top left) white, olive, brown, natural, pink, yellow, chartreuse, orange, black, red, purple, and gray. If you have any other requests, please contact me via the question section. I will try to accommodate them as flexibly as possible.