Fangrui Product Details Description: Lightweight And Small Size Convenient To Use Durable And Practical Using All Natural Rubber, Environmentally Friendly Non-toxic, Good Bite Resistance Has A Good Bounce Effect, Training Pets Sensitive Bone Teeth Type Bite, Through The Full Contact With The Dog Teeth, Not Only To Achieve The Effect Of Grinding Teeth Teeth, But Also Enhance The Dog's Jaw Muscle Development, Remove Bad Breath Relieve Teeth Discomfort, Clean Teeth To Maintain Oral Health Specification Material: Tpr Color:random Gross Weight:40g Specifications: Using All Natural Rubber Environmentally Friendly Non-toxic Bone Teeth Type Bite Package Included: 1 X Pet Toy Notes: Due To The Difference Between Different Monitors, The Pictures May Not Reflect The Actual Color Of The Item. Compare The Detail Sizes With Yours, Please Allow 1-3cm Error, Due To Manual Measurement. Please Leaving A Message Before You Give The Bad Feedback, If The Products Have Some Problems. Thanks For Your Understandings.