Made of silicone material, it is safe and non-toxic.Hamburgers shape are more attractive to dogs.It can make sounds when squeak or bite it.It helps keep dogs teeth and gums clean and healthy while playing.Can help avoiding damage to your furniture and reduce dog's loneliness.Specifications:Material: PVCColor: As picture shownSize: approx. 9x9x4.5cm/3.54x3.54x1.77inQuantity: 1pcNote: Please allow 1-3mm differs due to manual measurement.Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.If you have any questions about the product, please contact me, we will contact you within 24 hours and give you a satisfactory answer.