Materials: This ball caster is made of plastic and stainless steel balls. The wheels of this product are very flexible and move smoothly on the floor. It can withstand the weight of small furniture and has good wear resistance, allowing you to use it for a long time. It is easy to install: We can install it without tools. No objects are damaged, installation is simple and convenient. Begin by delineating the area in which the product is to be installed. Align the directions of the four casters and insert them. Self-adhesive furniture casters provide no rolling feeling damaged by the floor. Comfort: You will not hear harsh and unpleasant noises when moving the small furniture equipped with this product. Due to the smooth surface of the iron balls, the sliding friction on the floor during movement minimizes noise. 360 Degree Swivel Range: The starting point for this small 360 spherical caster degrees is to give the user a comfortable feeling when using this product. When moving objects, you can move them in any direction because this product can rotate 360 degrees. Very practical and well thought out. Wide range of applications These Mini Furniture Casters Petit can be used for shoe boxes, bins and small containers, but are also a perfect DIY accessory for small projects and more. Product Description Description: 1. This product can help you pull some small furniture easily, very convenient. 2. This product is made of plastic and stainless steel. 3. The product can be rotated 360 without dead angle and is more convenient to use. Specifications: Material: plastic, stainless steel Quantity: 12 pieces Package size: 4 x 6 cm or 1.57 x 2, 36 in Package includes: 12 pcs ball roller Color: white Note: 1. The maximum bearing capacity of the product is 10 kg. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.