This product is for the portable field. If you need it for the classroom field riser (part number 72-91 or 72-92), then you need to purchase part number 72-31. Features: Grey patterned surface is durable, sleek-looking, and hides dirt Solid plywood construction is stronger than typical particle board desktops Adjustable legs to accommodate uneven floors Desk height 29.5” / 750mm Desktop measures 47.2 x 19.7” / 1200 x 500mm Can be combined with shelves or storage cabinets underneath the riser
