100% -- with handmade chew sticks and fruit galls from natural silver vine plants, with no additives. Silvervine contains six active ingredients similar to nepetalactone, that have an apparently euphoric effect on , making , release stress, and keep healthy. Make Happy: Silvervine and gall fruit contain Actinidine and Nepetalactone, which are attractive to and can help relieve stress, lounging up and moving in promoting exercise Teething: The natural sisal rope and are bite resistant and help clean teeth, eliminate plaque and tartar, , and keep breath Easy to Use: Feed your directly. Your will excited with amusing and funny behaviors: chewing, rubbing, licking, running, rolling, mewing, drooling 's Favorite--Silver Vine has a strong to , respond to silvervine by sniffing, licking, and biting it, shaking their head, and rubbing their head, chin, or cheeks against it. With these behaviors, the 's stress can be released, and half an hour later, the will return to normal. color:Brown Material:Grass size:20cm Package Contents: 4 x Catnip Ball Toy Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.