- Quality Material: Made from durable silicone, this bottle stopper provides excellent airtightness and long-lasting reusability. - Keep Wine Fresh: Specifically designed for use with wine vacuum pumps (pumps not included), these stoppers effectively remove air, preserving the freshness of opened wine for up to 10 days. - Portable Design: Lightweight and compact, these wine stoppers are ideal for outdoor activities such as hiking, camping, and picnics, ensuring you can enjoy your favorite wines anywhere. - User-Friendly: To use, simply insert the stopper into the bottle opening. Lift the handle up and down to extract air, and continue pumping until you experience strong resistance, ensuring an effective seal. Practical Applications: 1. Maintain the quality of your opened wine bottles during parties or gatherings at home. 2. Perfect for takeaway bottles after dining out, keeping your wine fresh until you can enjoy it again. 3. Convenient for outdoor enthusiasts looking to enjoy wine while hiking or camping without worrying about spoilage. Choose this reliable wine stopper to protect your investment in fine wines while enhancing your drinking experience.