IQ Treat Embedding Ball (Dog treats are not included) This dog IQ treat ball is made from environmentally safe material and use an extra elastic rubber that is designed to stand up to substantial chewing It provides interactive fun that will entertain and challenge any dog keeping them coming back for more time and time again It is designed with raised surface that help clean your dogAs teeth and massage their gums The IQ ball has a scent of vanilla that will help to freshen your dogAs breath while offering them something better to chew on other than your furniture If the toy youAve purchased from us does not last as long as you thought it should or if your dog shows no interest, simply contact us and we are here to help We want your furbaby to enjoy playing the toy and keep their owners happy Size chart - Our IQ treat balls comes in two different sizes good for small, medium and large dogs Small Size is 2 inches, it is about 025 inches bigger than the size of the golf ball We recommend using extra tiny treats with width smaller than the size of regular kibble, semi-soft so itAs easier to break into smaller pieces or use kibble sizes that are made for mini or small breedsThe center of the iq ball is designed to hold small size dental chew sticks or bully sticks for prolong playing time Large Size is 3 inches - similar to the size of a baseball We recommend using training treats or use regular kibble size as stuffing The center of the iq ball is designed to hold small size dental chew sticks for prolong playing timePick a size thatAs larger than the width of your dogs mouth, proper supervision is advised when playing with all toys to ensure no accidental swallowing Use as a interactive mental stimulation treat rewarding toy ANot recommended for strong aggressive chewers