Made of high-quality PVC material, the Hafele Shelf Support PVC 5mm (White) is built to last and can withstand heavy loads., PVC material of the Hafele Shelf Support PVC 5mm (White) makes it highly resistant to corrosion, ensuring that it remains in good condition for a long time., Hafele Shelf Support PVC 5mm (White) provides a sturdy and reliable support for your shelves, ensuring that they stay in place and do not wobble.