Spiders Halloween design on our 20 oz double wall stainless steel tumbler with Lid and Reusable Straw. These are 20 oz capacity and perfect for any of your cold/iced beverages!!!Double wall tumbler’s lid is vacuum sealed. The design is printed with a special permanent ink therefore it will not peel or crack!How to Care: Hand wash in warm water. Do not use any abrasive sponges on design to increase longevity. Not microwave or dishwasher safe.