Premium Materials: Our crevice cleaning brush is made from plastic and alloy, which are rust-proof and built to last. The handle is crafted from non-slip material for a comfy grip, while the bristles are flexible, wear-resistant, and won’t lose shape—ensuring long-term use. Swyprrix Hard Bristle Crevice Cleaning Brush for Household Use, Multifunctional Crevice Cleaning Tool, Home Essentials, Upgraded Gap Cleaning Brush for Bathroom, Kitchen, 6Pcs