This Nylabone Puppy Chill & Chew Teething Bone is designed for teething puppies and features color-changing technology, turning orange when frozen. Made with soft, flexible material, it satisfies a puppy's natural urge to chew and helps keep teeth clean with tiny bristles that act like a mini toothbrush. The delicious lamb and apple flavor is infused throughout the chew toy, ensuring it lasts. It is intended for puppies up to 11 kg who do not have any adult teeth or aggressive chewing habits.