It's a Natural Choice! Made of soy 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 a color palette inspired by shades found in the natural world: Cranberry, Indigo, Olive or Rose. The collars have anti- bacterial properties to control odors. Collars are fully adjustable to fit any size cat. Made of soy fibers- natural, strong and durable.