Hello! My twins have asked a hamster for their 13th birthday and I have started preparing a nice home for our new family extension. Bought a cage with a house, a wheel, tunnels and different bedding materials, but cannot remember explanations I got at the shop why I need 2 and how to use them. Both of them are wood chips, only one is in bigger size and the other one is in smaller with Premium descriptor. Can someone advice?



