The XLT is a durable lightweight polypropylene tri-laminate that provides the best of both worlds. Approximately 30% lighter and 100% recyclable, XLT is also resistant to temperature fluctuations. After many years of searching for the proper alternative to plywood, the XLT product has proven itself worthy of wearing the Calzone/Anvil^® name, with over 25,000 cases currently in use worldwide. Protecting our customer’s valuable equipment – mission accomplished.