Size 2 x 5 grids or 70cm x 175cm Each grid is 35cm x 35cm You do not put grids on the bottom of the cage This cage will fit 2 - 4 guinea pigs Guinea pigs are herd animals and should always have a friend. We always recommend a friend. Check out www.petrescue.com.au to adopt a new friend. Recommended bedding is Vet Bed for this cage