Premium Stainless Steel Made, Waterproof, Anti-Rust .This telescopic shower pole is crafted from premium rust-resistant stainless steel with anti-oxygen layer, built to withstand daily use and humid environments without corrosion, and ensures heavy-duty durability.attached with enlarged non-slip rubber pad at both ends, it ensures stability. High-elastic springs provide maximum tension, preventing any sliding.No tools required,no drilling installation, easy to install.Expands with a simple twist.