This is a cockatiel nest box and is made of pine exterior plywood. We use a A-B Grade plywood, so there are never any knots showing. Nest box measures approximately 10" x 11 1/2" x 14" with and entrance hole of 3" and the top is removable, just held in place by 2 screws. Glued, screwed, and nailed together, this nest box will give you years and years of enjoyment. Comes to you fully assembled. The price is just $29.99! Shipping for this item is via UPS Ground anywhere in the lower 48 states. *Important: When you check out under Note To Seller please include your phone number. Thanks*