Each pack includes (8) ready to play with small sola cubes. These cubes are made from roughly cut pieces of the Sola plant. Sola material comes from the root of a tropical species of plant also known as Shola & Sola Pith Plant. This material is lightweight， easy to break apart， doesn’t create splinters， is perfect for chewing enjoyment and all natural. These clean white pieces are from the inside of the Sola plant stem. The bark on the outside of the squares has been removed. In the center of each piece is a small natural hole. These small cubes are a delight for any bird to play with. They are lightweight making it easy for any sized pet to pick them up. The straightforward design appeals to pets of all temperaments. The cubes are easy to pierce and hang up around the cage or from other toys.