These highlight caps are made of silicone, soft and comfortable to wear, after use, you can wash it for next time use, the material is very durable, you can use them for a long time.APPROPRIATE SIZE - The diameter of the cap is about 30 cm / 11.81 inches, and the height is about 22.5 cm / 8.86 inches, larger than people's heads, so as to make it convenient to keep a distance from your head and punch holes with the needle. EASY TO OPERATE - Put the silicone highlight cap on your head, use the hook to punch through the hole according to your needs, pick your hair with the metal hook needle and then you by using the hair color brush You can start coloring your hair. WIDE APPLICATION - These silicone highlight caps are suitable to use in salon and at home, you can easily dye the hair by yourself, choose the color you like and make you more attractive. HAIR COLORING TOOL - Package includes 1 Silicone Highlight cap, 1 Metal Hook.