Feature: 1. Silicone Material: This dust roller is made of premium liquid silicone material, rust free and pollution free, high rebound, high temperature resistant, wearproof, reusable. 2. Features: Highly viscous and durable, anti age, and not easy to lose crumbs. The roller has low hardness and excellent flexibility, ensuring a rust free and durable performance. 3. Aluminum Handle: The roller features a aluminum alloy handle, with iron and silicone bearings, making it atoxic, environmentally friendly, and resistant to rust. 4. Static Electric Function: Equipped with static electricity, this roller can effectively remove tiny impurities such as hair, dandruff, dust, fibers, rubber powder, and copper powder from the surface. 5. Compact: Lightweight and compact design, this reusable dust remover is the perfect companion for any owner who wants to keep his clothes and car while traveling. Specification: Item Type: Manual Silicone Dust Roller Material: Silicone, Aluminum Product Diameter: 22mm / 0.9in Bearing Outer Diameter: 8mm / 0.3in Inner Diameter: 4mm / 0.2in Melting Point: 150°C Water Solubility: Insoluble Peeling Test: No peeling after rolling 60,000 times Viscosity: High Viscosity Surface Hardness: 45° (Shore Hardness) Usage: Clean Tools for Surface Treatment in Dust Free Workshops, PCB, LCD Manufacturing, Light Guide Plate Production, Cleanrooms, Electronic Semiconductor Industry. Package List: 1 x Manual Silicone Dust Roller Note: 1. Can only remove tiny dust particles (not anti‑static). 2. After Use: Please roll back and forth on the sticky paper several times to keep the surface of the dust roller clean.