PACKAGE CONTENTS: 4 Pcs 6.3*6.3" movers with 4 X 360° rotating wheels (each mover has 4 wheels and 2 brakes) + 4 pcs crash pads + 1 pcs furniture lifting tool with its protective pad + 1pcs storage bag. HIGH-QUALITY MATERIAL: Made of thickened carbon steel and bears the weight of 3306LB/1500KG at most which is more solid and durable. FUNCTIONS: Stand-up tools that can be used by writers or in warehouses. It can carry most furniture. Also, available in the home, company, or party occasions, meanwhile available to move some heavy furniture or electrical appliances( like refrigerators, washing machines, dryers, baking machines, dishwashers, cabinets, stereos, printers, and other large, heavy objects. It can provide you with a convenient way to move. INSTRUCTION MANUAL: 1. Assemble the lifting tools and stick the protective pad (4 support blocks can raise the fulcrum). 2. Raise the bottom of the object with the lifting device until it can be placed under the mover. 3. Position the Mover under the lifted object. PRODUCT DIMENSION: Heavy Furniture Movers:6.4*6.4”. Furniture lifter length: 25.4”. Crash Pads: 5.2*5.2”. It can be easily disassembled and stored in the attached storage bag until you need it again.