Zoom Groom Natural Rubber Pet Grooming brushes provide a stimulating massage for pets while conditioning the skin. Flexible rubber "fingers" gently collect loose hair like a magnet on wet or dry coats. Works great as a shampooer, improving the effectiveness of regular and medicated shampoos. For even more effectiveness, use one in each hand. Brush has a medium firmness that is suitable for most coats. By Kong. Measures 4 1/4"L x 2 1/4"W x 1 1/2"H to comfortably fit in hand.