Heavy Duty Load Bearing Sturdy structure with 360° rotating wheels supports heavy furniture and appliances Non Slip Grid Surface Textured anti slip pad increases friction prevents furniture from sliding during moving Effortless Moving Design Leverage principle lifter tool reduces physical strain for easy furniture movement 360° Rotatable Wheels Flexible swivel wheels allow smooth direction change for convenient maneuvering Floor Protection Soft wheel design protects hardwood tile and laminate floors from scratches