Double sided pet brushes are made of eco-friendly grown in a sustainable way providing a nice and comfortable grip when used. they are suitable for both dogs and cats. the bamboo handle prevents static hair when brushing. regular use can prevent the accumulation of loose hair, dirt and the formation of knots. with regular grooming, your dog or cat will soon have a shiny, soft coat that is in great condition. these brushes are made of high-quality rust-proof stainless steel, except for the soft brush, which has synthetic soft bristles