product description: These rollers attach to the bottom and bottom of the shower door to provide smooth operation as you open and close the shower door, allowing you to move the tub anywhere you want, anytime, anywhere. Perfect for most shower enclosures, shower enclosures, steam room enclosures and bathtubs. Features - Color: As shown - Material: Plastic and Metal - Package size: 20 x 20 x 10 cm - Wheel diameter: 25mm - Sturdy and safe construction - The rollers are fixed to the bottom and bottom of the shower door to provide smooth operation when you open and close the shower door, allowing you to move the tub anywhere you want - Ideal for most shower enclosures, shower enclosures, steam room enclosures and bathtubs - Diameter Wheels: 25mm - Easy to install and use without damaging your glass door packing list 8 x shower door wheels