Perfectly compatible：stanley cup straw cover perfectly fits for 9-10mm 0.35-0.4inch large size straws such as Stanley 40 oz / 30 oz tumblers straws. | Material：Our Straw Covers caps are made of silicone that is odorless, non-slip and easy to attach to the straw, which is safe and hygienic for you and your family's health,you can use it with confidence. | Perfect Gift：These great stanley cup accessories. great novel gifts for your friends or family. | Dust and leakage prevention: The straw topper for stanley cup can prevent unclean stuff entering into the straw, clean and sanitary, making drinking more reassuring. | After Sales：If you have any questions about this straw cover cap for stanley cup, please feel free to contact us, any questions will be replied within 12 hours.

Universal Compatibility: Our Animal straw covers are designed to perfectly fit large-size straws ranging from 9-10mm (0.35-0.4 inches), ensuring compatibility with popular tumblers like Stanley 40 oz / 30 oz models. | Premium Silicone Material: Crafted from high-quality silicone, our straw topper effortlessly attaches to your straw. They provide peace of mind for you and your family. | Ideal Gift Choice: These Stanley cup accessories make fantastic accessories for Stanley Cups, making them wonderful and unique gifts for friends and family alike. | Keep Clean: Our simple straw covers prevent unclean things from entering your straw, ensuring a clean and sanitary drinking experience wherever you go. | Dedicated Customer Support: We are committed to your satisfaction. If you have any questions about our straw covers, our customer service team can respond quickly within 12 hours.

Universal Compatibility: Our Animal straw covers are designed to perfectly fit large-size straws ranging from 9-10mm (0.35-0.4 inches), ensuring compatibility with popular tumblers like Stanley 40 oz / 30 oz models. | Premium Silicone Material: Crafted from high-quality silicone, our straw topper effortlessly attaches to your straw. They provide peace of mind for you and your family. | Ideal Gift Choice: These Stanley cup accessories make fantastic accessories for Stanley Cups, making them wonderful and unique gifts for friends and family alike. | Keep Clean: Our simple straw covers prevent unclean things from entering your straw, ensuring a clean and sanitary drinking experience wherever you go. | Dedicated Customer Support: We are committed to your satisfaction. If you have any questions about our straw covers, our customer service team can respond quickly within 12 hours.

Universal Compatibility: Our Animal straw covers are designed to perfectly fit large-size straws ranging from 9-10mm (0.35-0.4 inches), ensuring compatibility with popular tumblers like Stanley 40 oz / 30 oz models. | Premium Silicone Material: Crafted from high-quality silicone, our straw topper effortlessly attaches to your straw. They provide peace of mind for you and your family. | Ideal Gift Choice: These Stanley cup accessories make fantastic accessories for Stanley Cups, making them wonderful and unique gifts for friends and family alike. | Keep Clean: Our simple straw covers prevent unclean things from entering your straw, ensuring a clean and sanitary drinking experience wherever you go. | Dedicated Customer Support: We are committed to your satisfaction. If you have any questions about our straw covers, our customer service team can respond quickly within 12 hours.

Universal Compatibility: Our Animal straw covers are designed to perfectly fit large-size straws ranging from 9-10mm (0.35-0.4 inches), ensuring compatibility with popular tumblers like Stanley 40 oz / 30 oz models. | Premium Silicone Material: Crafted from high-quality silicone, our straw topper effortlessly attaches to your straw. They provide peace of mind for you and your family. | Ideal Gift Choice: These Stanley cup accessories make fantastic accessories for Stanley Cups, making them wonderful and unique gifts for friends and family alike. | Keep Clean: Our simple straw covers prevent unclean things from entering your straw, ensuring a clean and sanitary drinking experience wherever you go. | Dedicated Customer Support: We are committed to your satisfaction. If you have any questions about our straw covers, our customer service team can respond quickly within 12 hours.