Mugs & Lids MUGS S.A. Diversified mugs are suitable for both hot and cold liquids, and their height allows for use in Food Transport Trolleys and Cook-Chill systems, providing temperature stability. LIDS Our drop-in lids designed to fit the S.A. Diversified Products universal mug. The lids retain beverage temperatures longer and are suitable for use in cook-chill systems. Operation temperature range of 3° to 140°C All Mugs and Lids are dishwasher and microwave safe. All mugs are recyclable. Using the S.A. Diversified Products mug, you will reduce the weight of your tray compared to the weight of the same tray using a China cup. So why not contact us and let us provide the Lid to suit your needs.