Click to see colors. t’s a Natural Choice! Made of natural fibers, these durable, earth-friendly collars will look great on your dog and show your concern for the planet. The soy fibers have a soft, cashmere feel that your pet will love. Choose from our color palette inspired by shades found in the natural world: Cranberry, Indigo, Olive, Rose, Chocolate, Eggplant, Forest Green, Pumpkin or Slate. The collars have anti-bacterial properties to control odors. Collars are fully adjustable and come in small, medium and large to fit any size dog.