NATURAL - The chew stick grows in the natural environment, which is good for the teeth and can be chewed safely. Great for small animals grind their teeth and as a funny snacks. GOOD FOR YOUR PETS TEETH: These pet chew sticks are good for the teeth and can be chewed safely. If they don't grind their teeth, when the teeth are long, they wear the upper and lower jaws and even inflammation. This ball is made from natural grass. It does not contain any other chemicals or rayon. This safe toy is perfect for rabbits, guinea pigs, gerbils, hamsters, chinchillas and mice. Suitable for Many Animals: Grass hay sticks are suitable for Guinea Pigs, , Squirrel, Rabbits, Parrot, hamster, degus, gerbil, and other small animals. Protect Your Pet's Teeth: grass Sticks guinea chew sticks can protect the healthy growth of your pet's teeth while allowing them to find the pleasure of chewing. size:10-12cm Material:grass colour:green Package Contents: 40 x Hay Sticks Chew Toys Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.