Pentangle shower trays with an Anti-Slip coating.Pentangle Corner none-slip shower trays are perfect for use with Pentangle Shower enclosures to give a safe showering experence. At Rubberduck Bathrooms we offer a variety of Pentangle shower trays in a vast range of sizes. Our range of Pentangle anti-slip shower trays Shower Trays provide both style and functionality to your showering space. Anti-slip shower trays are perfect for people who are worried about slipping over in the shower.