OPAWZ Pet Hair Chalk does not compromise the coat in any way, safe for dogs and cats! Adhere well on pet’s hair with bright and vibrant colors. Works well both on dark coat and light color coats. We recommend applying OPAWZ Grooming Spray before using pet hair chalk to achieve a more long-lasting color. Available in 11 colors: Pink, Green, Purple, Orange, Blue, Black, White, Yellow, Red, Brown, Grey