The Kinetic Sand Laptop Tray is the perfect platform for your kids to build and showcase their creations. This tray contains sand and keeps your tables and countertops clean. The 11"L x 11"W x 2-1/2"H tray is constructed of durable ABS plastic that will stand up to years of wear and tear. Anti-slide feature protects against tabletop scratches. Easy to clean with soap and water. Ages 3+.