Designed for use with the Bumbo Floor Seat. Allows babies to keep their toys within arms reach when sitting in their Bumbo Floor Seat.The Bumbo Play Tray is made of a rigid plastic (ABS) which fits securely on to the Bumbo Floor Seat.10" Length x 13" Width x 7" Height. The Play Tray has a cap that fits snug over the pommel of the seat and a catch that hooks under the rim of the seat. This design ensures a secure attachment of the tray to the Bumbo Floor Seat.The Tray’s secure fit provides additional security in making it more difficult for the infant to escape from the chair.