Shock Absorption:The silicone covers absorb shocks and reduce vibrations while rolling on rough surfaces. This helps protect the suitcase and ensure a smooth movement. Wheel Protection:Acts as a barrier against wear, scratches, and damage caused by frequent use or harsh terrain. Extends the lifespan of the trolley wheels. Non-Slip Design:Offers better grip and stability when rolling on slippery or uneven surfaces. Universal Fit:Designed to fit various trolley wheels and spinner wheels on suitcases, bags, and even some chairs. Flexible silicone allows for easy fitting without tools. Easy Installation:Stretchable silicone makes it easy to slip on and off the wheels. No tools are required, and the process is quick and hassle-free. Durability:High-quality silicone ensures long-lasting performance without deformation. Weather-resistant, protecting against moisture, heat, and dust. Lightweight:Does not add significant weight to the suitcase or trolley.