The product has strong bearing capacity and is not easy to break and deform. The non-slip pad on the countertop, which is attached to the bottom of the heavy object, plays a role of anti-slip. The length of the product panel is adjustable, durable to use. Features -Color: Blue. -Material: Plastic, iron. -Size: About 72.00X65.00X11.00cm/28.30X25.55X4.32in. - Provides easy mobility and maneuverability when collecting and transporting heavy loads. - The heavy-duty casters wheels let you enjoy 360° movement capability. - This movable base can be adjusted, you can effortlessly roll a wide variety of furniture through your house. - Suitable for all your right angle furniture, no matter if the same size. You can effortlessly roll a wide variety of items. - The product is simple and convenient to install and has a wide range of uses. It is a must-have product for the home. Package list: 4 4 x anti-slip mats 8 gauges 1 x measuring ruler 1 x screwdriver