Made of high quality materials ABS roller frames and stainless steel with integrated smooth steel balls provide quiet, smooth, jam-free movement. They are non-toxic, odorless and durable. With these rollers, even heavy boxes can be moved effortlessly. 360 Degree Rotation The 360-degree rotating design allows free motion in any direction. Simply stick the glides to the bottom of your device, then lightly tighten with one hand to secure. Move appliances smoothly and save time and effort. Easy installation No drilling required. The wheel has a strong adhesive that is easy to apply and ready to use. It is safe to handle and suitable for everyday use. Practical and economical A cost-effective solution that is durable and reusable, capable of supporting multiple trays and mats without damaging surfaces. Compact and portable, suitable for use anywhere. Use scenarios - Move a microwave, toaster oven, or other heavy kitchen appliances with ease. - Reposition a printer, computer monitor, or other desk devices on a work surface. - Relocate large trays, mats, or storage boxes in cabinets, pantry, or garage for cleaning or reorganization.