Product Overview Size (when in use): Approximately 53cm x 53cm Battery operated: 3 AA batteries Color: Yellow Features: ・4-speed settings ・The yellow cloth is nylon cloth. Assembly 1: Twist the center part of the main body to the right as shown in the 4th image to remove the cap. 2: After covering with the nylon cloth and the center part of the main body appears, reattach the cap. ※Batteries not included