Crafted from silicone, these airtight sealing gaskets are designed to provide a reliable and leak-proof seal for swing top bottles. Their sturdy and flexible construction makes sure a snug fitting, making them ideal for preserving beverages, homemade brews, or fermented drinks with optimal freshness. Features - Color: Red -Material:Silicone - Size: 2.50X2.50X0.70cm/0.98X0.98X0.28in -High efficiency seal: prevents liquid leakage from beer bottles, ensuring your beverages stay flavorful for longer periods -Sturdy material: made from silicone, these gaskets are designed for long term use without losing their sealing effectiveness -Versatile compatibility: flexible design fits various bottle types, including beer bottles, beverage bottles, and more, ensuring a secure sealing for different bottle openings -Anti-leak: effectively blocks oxygen from entering the bottle, preserving the taste and nutritional value of your beverages -Ideal for multiple scenarios: suitable for home use, parties, and outdoor activities, providing convenient beverage protection wherever you go Package list: 50 x Gaskets (hollow) 50 x Gaskets (solid)