Yogi?s Preening Pals are hand-made with 100% ?bird-friendly? material and are Machine Washable (please refer to packaging for directions) to keep your Preening Pals clean and safe to play with again and again. Preening Pals keep your bird busy by the many strips of fleece to preen and chew on. The softness of the fleece is sensuous to our bird's sensitive beaks. Small: 12 Inches Long, Large: 18 Inches Long Pictured: Large behind 3 Small Colors and patterns vary.