ALCOTT Bamboo Groom Dematting Rake with Stainless Steel Serrated Blades - Large. Designed for pets with medium to long coats, this dematting rake removes stubborn mats and tangles without pulling on the fur, which can be really painful. Using the brush regularly will prevent mats from getting worse and will reduce shedding from the undercoat. Bamboo construction; handcrafted and then polished with a natural oil to ensure a smooth, water resistant finish. Features one rubber thumb support; ergonomic handle. Stainless steel serrated blades. Dimensions: Small/Medium 3.13 x 2 x 6.63 inches, Large 3.13 x 2.5 x 6.63 inches.