Packaging Includes: Straw cover, The set includes 6 different shaped dustproof straw head covers, with an inner diameter of approximately 8 millimeters,these lovely straws plugs are small and cute, can make your straws and cups more exquisite. Material: These stanley cup are made of high quality silicone, with exquisite workmanship, the pattern is clear,its lightweight, durable, reusable and airtight sealing, no smell and safe, which can be cleaned by hand or by dishwasher. Easy to Use: the straw plug can be directly fixed on the straw, and can be directly removed when using the straw, also can be suspended on the straw,you can use it with convenient whether you are in outdoor activities or family parties. Fresh and Cute: Straw stopper, you can distinguish them according to your need,these straw tips lids feature cute cartoon shapethe lovely shapes will be loved by children and friends, adding more fun to your family activities. Widely Application:The stanley cup are perfect fit for various kinds of types of straws from 6 to 8 mm, so especially suitable for outdoor activities, and small enough to be carried out freely, like family or children's party, girl's night out, cocktail party.