Includes pen and dual lock for mounting. Premium, ghost free, coated styrene dry erase surface. Molded in functional compartments. One piece blow molded high density polyethylene body. Easy to erase and mount. Made in USA. Small: 10 in. W x 14 in. H (1 lbs.). Medium: 12 in. W x 18 in. H (1.5 lbs.). Large: 18 in. W x 24 in. H (2.5 lbs.) The Activity Dry Erase Board is perfect for use in homes, schools and offices. The small design makes it ideal to hang on doors and in cubicles. Features molded in storage pocket and marker holder. As today"s work environments strive for great productivity, tools that improve visual communication and organization are more essential than ever. The Iceberg Collaboration Boards are a breakthrough in design, function and durability. They allow you to create, display, organize and share important information when and where it"s needed.