EASY TO USE: - Easy with Nylon cleaning Brushes. REUSABLE: - Reusable and Sustainable. Smooth edges and rounded end. DURABLE: - Lasts long and durable with smoothness. SUITABILITY: - Suitable for all kind of reusable straws. Rust proof stainless steal wire. Different Verity & Types are available: 1.> Natural Fiber Cleaning Brush 2.> Nylon Cleaning Brush - Soft