Specifications:- Overall Dimension with Base(LxWxH): 11 13/16" x 7 1/16" x 15 9/16" (30 x 18 x 39.5 cm)- Wall Mounted Overall Dimension(LxWxH): 11 13/16" x 3 3/8" x 15 9/16" (30 x 8.6 x 39.5 cm)- Wheel Diameter: 11 13/16" (30 cm)- Wheel Material: U-pvc Foam Board with Acrylic Sheet- Net Weight: 2.54 Lbs (1.15 kg). Package Contents:- 1x Prize Wheel- 1x Base- 1x Pen Holder- 1x Eraser- 1x Water-based Pen- 1x Red Pointer- Accessories- 1x Manual. Notice: - Water-based marking pens are recommended for acrylic boards for easier maintenance. If you use oil-based pens or other types of pens, it might be difficult to have the board cleaned easily.