20 oz Double-Wall Insulated travel / Coffee Cup With Sip Through Lid. Your Clients will Feel Instant Energy with These Bright Colors! Double-Wall Insulation Keeps Drinks Hot or Cold. Maintains a 40 degree difference between the contents and the outside, so it can be used safely without a protective sleeve. Molded from BPA-free Reusable, Refillable, Recyclable Polypropylene. Ships assembled. Top Rack Dishwasher-Safe. Do Not Microwave