1Silent Design: Universal wheel adopts the latest technology to ensure noiseless sliding and avoid disturbing your rest and working environment. 2Universal Design: Universal wheel can rotate 360 degrees without dead angle, allowing you to move furniture and other items easily. 3Ball Design: Universal wheel adopts ball design, which reduces friction and pushes heavy objects easily, saving energy and convenience. 4Stick On Installation: Universal wheel is easy to use, just stick the universal wheel underneath furniture or other items and use it without damaging the floor or other surfaces. 5Multi Functional: Universal wheel is suitable for coffee table, cart, furniture and many other scenarios, making your life more convenient. Item Type: Universal Wheel Material: ABS Weight: Approx. 260g / 9.2oz Product Size: Approx. 4.4x4.4cm / 1.7x1.7in Color: White 4 x UniversalWheel