Fully assembled. 2 in 1 starter kit for sweeping and mopping. Includes dry sweeping and wet mopping refills. With a dry cloth, pick up 50% more dirt, dust, and hair than a broom. Then use a wet mopping cloth to dissolve dirt and grime. Great for wood, tile, or vinyl floors, inside closets, under beds, tables, baseboards, shelving, and pet areas. Clean wall before painting and much more.