US Refrigeration USR-47FA high density, CFC free polyurethane insulation for the entire cabinet and solid door. Our equipment is designed using the highest quality materials and components to provide the user with stable product temperatures and lower utility costs at a very competitive price. Adjustable heavy duty PVC coated white shelves Self closing and stay open door with door locks. Magnetic gasket with Stainless steel door hinges and a heating element for freezer doors