Funny Emoji Face Squeaky Toy: It is light to moderately chewed. They are light ( less than 11kg - 24.25lb) and soft, but they make a incredabely loud squeak. Safe Materials: These dog squeaky balls are make of non-toxic Latex Rubber, they're safe for chewing and very easy to clean. Perfect Bounce Ability: These Flatten Balls will bounce when thrown. Dogs like to chase them at lightning speed and then squeak. Bond with your Dogs - Hide the toy under blankets/bean bag/pillow/dog bed for a fun seek-and squeak game, your pup will love the challenge, go crazy for these and looking for it ! Relieves Boredom & Anxiety: These Balls are perfect for indoor or outdoor play, this chew toy helps reduce stress and separation anxiety by keeping your dogs active and occupied.