Sliding Shower Roller Wheel Plastic Door Replacement. Features: Wear-resistant Wheels Feature Smooth, Low-noise Sliding. Great for Sliding Glass Door, Window or Shower Screen. Easy to Install and Clean. Specifications Material: Plastic Internal Steam: No Accessories: Shower Screen Tray Shape: Round Open Style: Sliding Shower Tray: Not Included Type: Shower Cabins Type: Door Window Pulley Material: Plastic+carbon Steel Wheel Diameter:21.5mm Maximum Glass Thickness:6mm Hole Diameter:5mm Package Included: 2/5/10pcs Door Window Pulley . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.