About this item

• Versatile: Set of 10 gray universal silicone grommets suitable for sealing straw holes on bottles, tumblers, and cups.
• Secure Fit: Designed with a snug, airtight fit to prevent spills and leaks.
• Durable Material: Crafted from high-quality, food-grade silicone for long-lasting use.
• Easy Installation: Simply insert the grommet into the desired hole for a secure seal.
• Dimensions: Compatible with standard 20/30oz tumblers and bottles with straw hole diameters.