CHRISTMAS STRAW COVER: This accessory is a great option if you want a unique Christmas decoration for stanley cup 30 or 40 oz with straw. The silicone Christmas straw cover with cute design, simple and delicate, ensuring that your tumbler will never be confused with others.PRACTICAL DESIGN: Our Christmas straw cap perfectly blends functionality and style, making you stand out. The straw covers cap made of high-quality silicon material is suitable, which can prevent dust from adhering to the straw, seal and splash proof, and is beneficial to your and your family's health.EASY OF USE: Simply thread the straw through the ring, and the Xmas straw cover will firmly adhere to the straw. When in use, hang the straw stopper on the straw to prevent loss. These straw covers are suitable for various straws with an outer diameter between 8-10mm. The inner diameter of the straw cap is 0.4 inch, making it compatible with Stanley 30&40 oz cup straws and most straws with a diameter of 0.4 inch (10mm).PERFECT GIFT CHOICE: Women love personalized Christmas gifts to dress up their cup, and for that reason we've created a trendy, symbolic straw cover tumbler accessories. Give the straw cap accessories to your loved one and let her have your love forever. This cute Christmas straw cover makes a great gifts for daughters, girlfriends, mom, wife and friends for Christmas.