These Hazelnut sticks are a really good choice to keep your small animals teeth down, as you know they contiune to grow over their lifetime so its really important that they have enough safe items to chew on to help their teeth along with daily fresh hay. 
These sticks will vary in size which will mean depending on the weight you choose and the hight and thickness will vary to the amount you will get. 
The sizes are from 5cm in length to 20cm in length, 1/2cm in thickness to 3cm in thickness.