Thank you for viewing. This is a set of 12 colors of river peak leather fly material, 4cm each, 5 pieces per color. Originally, this product contains 20 pieces, but to allow you to enjoy the color variations, I have divided it into sets of 5 pieces per color and am offering a 12-color set. This is an excellent fly material with outstanding softness, made from specially tanned deerskin for fishing, and highly regarded even in difficult managed fishing areas. Since it does not sink when dry, rub it lightly in water before use to let it blend in with the water. Colors: White, Medium Yellow, Yellow, Mustard, Gray, Gray Olive, Dark Gray Olive, Dark Brown, Violet, Cherry Pink, Orange, Chartreuse Contents: Leather length: approx. 4cm x 5 pieces Although it may be difficult to confirm the details in the photos, please understand that there may be variations in color, texture, thickness, and width due to the nature of the material. After purchase, it is stored in a container box indoors, so I have not confirmed any noticeable quality deterioration, but please understand that this is a repackaged item stored by an amateur, and refrain from purchasing if you are concerned about minor details.