The hottest new trend in pet grooming! Nine bright, fun colored gels to choose from. Completely non-toxic. Semi-permanent (lasts 4 to 6 washes). Coloring results may vary with coat type and breed. Easy-to-work-with gel is less messy than liquids. Safe for dogs and cats over 12 weeks old. Each jar contains 4 oz of gel. Ingredients: Purified water, CTFA*-approved dyes and pigments, cellulose thickener, glycerine and preservative. * CTFA = Cosmetic, Toiletry, and Fragrance Association.