About this item

• COMPATIBILITY: Designed specifically to fit 30 oz and 40 oz tumblers, providing a secure seal for your straw
• SHARK DESIGN: Features a playful gray shark-themed decorative topper that adds a fun element to your tumbler experience
• MATERIAL: Made from durable silicone with a 10mm opening that creates a snug fit around standard reusable straws
• FUNCTIONALITY: Acts as both a straw cover and stopper, helping prevent spills while drinking from your tumbler
• EASY TO USE: Simply slides onto your straw and stays securely in place, making it convenient for daily use