I sell montesori bed with mattress, it's size twin, I sell it by moving country, we can negotiate the price, it must be removed on the east coast. The mattress has no spots and is useful for children who are starting to sleep alone, has a easy access door for children, both the mattress and the base are in excellent condition, the base is bought in the USA and the mattress is brand bamboo, the base is white and can be disarmed and reassembled.