10mm Silicone Straw Covers - Dust-Proof, Food-Grade, Compatible with 20/30/40oz Tumblers, Portable for Outdoor

Silicone Straw Covers for 20/30/40 Oz Cups: Perfect compatibility—10mm (0.4in) diameter, fits 40 oz/30 oz tumblers with handles, 40 oz tumblers with straws, and all 9-11mm large-diameter straws (confirm straw size before purchase). Food-grade silicone—durable, reusable, easy to clean by hand or dishwasher; airtight, sealed, splashproof, ideal for outdoor activities; encourages children to drink more water. Cute and practical—stylish design blocks dust and foreign objects from entering drinks, safe for health. Portable—small size, easy to carry for walking, camping, hiking (does not include straw). Satisfied service—contact for questions, resolved within 24 hours. Product includes 1 straw cover. Note: Slight color difference due to monitor. Material: Silicone.