Are these cleanable between patients? What type of cleaner should be used? Sani Wipes or Clorox?

Yes, this item is cleanable. The following are the cleaning instructions: Do: Clean with cold water and a mild detergent immediately after contact with fluids. Household 409 Spray can be used to clean the surface fabric or vinyl and remove dust and dirt. To disinfect your sandbags and sandsocks, the use of disinfectant wipes approved for use on vinyl is recommended. Allow a drying time of at least 3 minutes. Store your sandbags and sandsocks on a sandbag/sandsock rack when not in use. Don't: Do not use Bleach or any harsh chemicals on your sandbags and sandsocks. Do not autoclave or launder. Do not soak/submerse table pad in water.