Specifications:- Overall Dimension (LxWxH): 14 15/16" x 8 1/16" x 19 5/16" (38 x 20.5 x 49 cm)- Material: Acrylic Writing Board, U-pvc Spinning Board- Wheel Dia.: 14 15/16" (38 cm)- Net Weight: 3.31 Lbs (1.5 kg). Package Contents:- 1x 15" Prize Wheel- 1x Base- 1x Set of Accessories- 1x Water-based Mark Pen- 1x Eraser- 1x Manual. Notice: - Water-based mark pen is recommended for acrylic boards for easier maintenance. If you use oil-mark pens or pens in other type, it will be a little difficult to have the board cleaned easily.