B (Ritter) Flat Trays have a wide easy to use grip edges and non-slip feet for stability. There is a self-lubricating, high-gloss surface that helps prevent staining. The trays contain antimicrobial protection. Tray measures 13 1/2″ x 9 5/8″ x 7/8″. Tray Cover not included with tray, it is sold separately. OR F (Mini) Flat Trays have a wide easy to use grip edges and non-slip feet for stability. There is a self-lubricating, high-gloss surface that helps prevent staining. The trays contain antimicrobial protection. Tray measures 9 5/8″ x 6 5/8″ x 7/8″. Tray Cover not included with tray, it is sold separately. OR B (Divided) Trays have a wide easy to use grip edges and non-slip feet for stability. There is a self-lubricating, high-gloss surface that helps prevent staining. The trays contain antimicrobial protection. Tray measures 13 1/2″ x 9 5/8″ x 7/8″. Tray Cover not included with tray, it is sold separately. Features and Benefits Surface Disinfect Washer-disinfect