This set of 4 super cute silicone happy cloud and rainbows straw cap toppers are perfect for all of your straws that you may use with your favorite tumbler straw. Please see photos for additional information. These are dishwasher safe. All of our items are stored in a smoke free environment and dog, friendly home. We purchase the majority of our items from retail pallets, such as Amazon, Dillards, Macy’s and Nordstrom. If you have any questions about this product, please contact us prior to purchasing. Thank you.